klhy_520 发表于 2006-11-16 06:34:14

[求助]数学建模高手教我一道题目....

<p class="MsoNormal" style="MARGIN: 3pt 0cm; LAYOUT-GRID-MODE: char; TEXT-INDENT: 21pt; LINE-HEIGHT: 18pt; mso-layout-grid-align: none;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-font-kerning: 0pt;">食油厂精炼两种类型的原料油</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt; mso-font-kerning: 0pt;"><font face="Times New Roman">——</font></span><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-font-kerning: 0pt;">硬质油和软质油,并将精制油混合得到一种食油产品。硬质原料油来自产地</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt; mso-font-kerning: 0pt;"><font face="Times New Roman">1</font></span><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-font-kerning: 0pt;">,而软质原料油来自另外两个产地:产地</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt; mso-font-kerning: 0pt;"><font face="Times New Roman">2</font></span><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-font-kerning: 0pt;">,产地</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt; mso-font-kerning: 0pt;"><font face="Times New Roman">3</font></span><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-font-kerning: 0pt;">。据预测,这</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt; mso-font-kerning: 0pt;"><font face="Times New Roman">3</font></span><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-font-kerning: 0pt;">种原料油的价格从一至三月分别为:</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt; mso-font-kerning: 0pt;"><p></p></span></p><table class="MsoNormalTable" cellspacing="0" cellpadding="0" border="0" style="MARGIN: auto auto auto 1cm; BORDER-COLLAPSE: collapse; mso-padding-alt: 0cm 1.4pt 0cm 1.4pt;"><tbody><tr style="mso-yfti-irow: 0; mso-yfti-firstrow: yes; page-break-inside: avoid;"><td valign="top" width="340" colspan="5" style="BORDER-RIGHT: #ece9d8; PADDING-RIGHT: 1.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 1.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 255.3pt; PADDING-TOP: 0cm; BORDER-BOTTOM: #ece9d8; BACKGROUND-COLOR: transparent;"><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 18pt; mso-layout-grid-align: none;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-font-kerning: 0pt;">表</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt; mso-font-kerning: 0pt;"><font face="Times New Roman">1 </font></span><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-font-kerning: 0pt;">原料油的价格(元</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt; mso-font-kerning: 0pt;"><font face="Times New Roman">/</font></span><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-font-kerning: 0pt;">吨)</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt; mso-font-kerning: 0pt;"><p></p></span></p></td></tr><tr style="mso-yfti-irow: 1; mso-row-margin-right: 85.1pt;"><td valign="top" width="57" style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 1.4pt; BORDER-TOP: gray 1.5pt solid; PADDING-LEFT: 1.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: windowtext 1.5pt solid; WIDTH: 42.55pt; PADDING-TOP: 0cm; BORDER-BOTTOM: gray 1pt solid; BACKGROUND-COLOR: transparent; mso-border-top-alt: gray 1.5pt; mso-border-left-alt: windowtext 1.5pt; mso-border-bottom-alt: gray .75pt; mso-border-right-alt: windowtext .75pt; mso-border-style-alt: solid;"><p class="MsoNormal" align="center" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 18pt; TEXT-ALIGN: center; mso-layout-grid-align: none;"><span lang="EN-US" style="mso-bidi-font-size: 10.0pt; mso-font-kerning: 0pt;"><p><font face="Times New Roman">&nbsp;</font></p></span></p></td><td valign="top" width="57" style="BORDER-RIGHT: #ece9d8; PADDING-RIGHT: 1.4pt; BORDER-TOP: gray 1.5pt solid; PADDING-LEFT: 1.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 42.55pt; PADDING-TOP: 0cm; BORDER-BOTTOM: gray 1pt solid; BACKGROUND-COLOR: transparent; mso-border-top-alt: solid gray 1.5pt; mso-border-bottom-alt: solid gray .75pt;"><p class="MsoNormal" align="center" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 18pt; TEXT-ALIGN: center; mso-layout-grid-align: none;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-font-kerning: 0pt;">硬质</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt; mso-font-kerning: 0pt;"><font face="Times New Roman">1<p></p></font></span></p></td><td valign="top" width="57" style="BORDER-RIGHT: #ece9d8; PADDING-RIGHT: 1.4pt; BORDER-TOP: gray 1.5pt solid; PADDING-LEFT: 1.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 42.55pt; PADDING-TOP: 0cm; BORDER-BOTTOM: gray 1pt solid; BACKGROUND-COLOR: transparent; mso-border-top-alt: solid gray 1.5pt; mso-border-bottom-alt: solid gray .75pt;"><p class="MsoNormal" align="center" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 18pt; TEXT-ALIGN: center; mso-layout-grid-align: none;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-font-kerning: 0pt;">软质</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt; mso-font-kerning: 0pt;"><font face="Times New Roman">2<p></p></font></span></p></td><td valign="top" width="57" style="BORDER-RIGHT: #ece9d8; PADDING-RIGHT: 1.4pt; BORDER-TOP: gray 1.5pt solid; PADDING-LEFT: 1.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 42.55pt; PADDING-TOP: 0cm; BORDER-BOTTOM: gray 1pt solid; BACKGROUND-COLOR: transparent; mso-border-top-alt: solid gray 1.5pt; mso-border-bottom-alt: solid gray .75pt;"><p class="MsoNormal" align="center" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 18pt; TEXT-ALIGN: center; mso-layout-grid-align: none;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-font-kerning: 0pt;">软质</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt; mso-font-kerning: 0pt;"><font face="Times New Roman">3<p></p></font></span></p></td><td width="113" style="BORDER-RIGHT: #ece9d8; PADDING-RIGHT: 0cm; BORDER-TOP: #ece9d8; PADDING-LEFT: 0cm; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; PADDING-TOP: 0cm; BORDER-BOTTOM: #ece9d8; BACKGROUND-COLOR: transparent; mso-cell-special: placeholder;"><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><font face="Times New Roman">&nbsp;</font></p></td></tr><tr style="mso-yfti-irow: 2; mso-row-margin-right: 85.1pt;"><td valign="top" width="57" style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 1.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 1.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: windowtext 1.5pt solid; WIDTH: 42.55pt; PADDING-TOP: 0cm; BORDER-BOTTOM: #ece9d8; BACKGROUND-COLOR: transparent; mso-border-left-alt: solid windowtext 1.5pt; mso-border-right-alt: solid windowtext .75pt;"><p class="MsoNormal" align="center" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 18pt; TEXT-ALIGN: center; mso-layout-grid-align: none;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-font-kerning: 0pt;">一月</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt; mso-font-kerning: 0pt;"><p></p></span></p></td><td valign="top" width="57" style="BORDER-RIGHT: #ece9d8; PADDING-RIGHT: 1.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 1.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 42.55pt; PADDING-TOP: 0cm; BORDER-BOTTOM: #ece9d8; BACKGROUND-COLOR: transparent;"><p class="MsoNormal" align="center" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 18pt; TEXT-ALIGN: center; mso-layout-grid-align: none;"><span lang="EN-US" style="mso-bidi-font-size: 10.0pt; mso-font-kerning: 0pt;"><font face="Times New Roman">110<p></p></font></span></p></td><td valign="top" width="57" style="BORDER-RIGHT: #ece9d8; PADDING-RIGHT: 1.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 1.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 42.55pt; PADDING-TOP: 0cm; BORDER-BOTTOM: #ece9d8; BACKGROUND-COLOR: transparent;"><p class="MsoNormal" align="center" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 18pt; TEXT-ALIGN: center; mso-layout-grid-align: none;"><span lang="EN-US" style="mso-bidi-font-size: 10.0pt; mso-font-kerning: 0pt;"><font face="Times New Roman">130<p></p></font></span></p></td><td valign="top" width="57" style="BORDER-RIGHT: #ece9d8; PADDING-RIGHT: 1.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 1.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 42.55pt; PADDING-TOP: 0cm; BORDER-BOTTOM: #ece9d8; BACKGROUND-COLOR: transparent;"><p class="MsoNormal" align="center" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 18pt; TEXT-ALIGN: center; mso-layout-grid-align: none;"><span lang="EN-US" style="mso-bidi-font-size: 10.0pt; mso-font-kerning: 0pt;"><font face="Times New Roman">110<p></p></font></span></p></td><td width="113" style="BORDER-RIGHT: #ece9d8; PADDING-RIGHT: 0cm; BORDER-TOP: #ece9d8; PADDING-LEFT: 0cm; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; PADDING-TOP: 0cm; BORDER-BOTTOM: #ece9d8; BACKGROUND-COLOR: transparent; mso-cell-special: placeholder;"><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><font face="Times New Roman">&nbsp;</font></p></td></tr><tr style="mso-yfti-irow: 3; mso-row-margin-right: 85.1pt;"><td valign="top" width="57" style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 1.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 1.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: windowtext 1.5pt solid; WIDTH: 42.55pt; PADDING-TOP: 0cm; BORDER-BOTTOM: #ece9d8; BACKGROUND-COLOR: transparent; mso-border-left-alt: solid windowtext 1.5pt; mso-border-right-alt: solid windowtext .75pt;"><p class="MsoNormal" align="center" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 18pt; TEXT-ALIGN: center; mso-layout-grid-align: none;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-font-kerning: 0pt;">二月</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt; mso-font-kerning: 0pt;"><p></p></span></p></td><td valign="top" width="57" style="BORDER-RIGHT: #ece9d8; PADDING-RIGHT: 1.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 1.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 42.55pt; PADDING-TOP: 0cm; BORDER-BOTTOM: #ece9d8; BACKGROUND-COLOR: transparent;"><p class="MsoNormal" align="center" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 18pt; TEXT-ALIGN: center; mso-layout-grid-align: none;"><span lang="EN-US" style="mso-bidi-font-size: 10.0pt; mso-font-kerning: 0pt;"><font face="Times New Roman">130<p></p></font></span></p></td><td valign="top" width="57" style="BORDER-RIGHT: #ece9d8; PADDING-RIGHT: 1.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 1.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 42.55pt; PADDING-TOP: 0cm; BORDER-BOTTOM: #ece9d8; BACKGROUND-COLOR: transparent;"><p class="MsoNormal" align="center" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 18pt; TEXT-ALIGN: center; mso-layout-grid-align: none;"><span lang="EN-US" style="mso-bidi-font-size: 10.0pt; mso-font-kerning: 0pt;"><font face="Times New Roman">110<p></p></font></span></p></td><td valign="top" width="57" style="BORDER-RIGHT: #ece9d8; PADDING-RIGHT: 1.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 1.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 42.55pt; PADDING-TOP: 0cm; BORDER-BOTTOM: #ece9d8; BACKGROUND-COLOR: transparent;"><p class="MsoNormal" align="center" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 18pt; TEXT-ALIGN: center; mso-layout-grid-align: none;"><span lang="EN-US" style="mso-bidi-font-size: 10.0pt; mso-font-kerning: 0pt;"><font face="Times New Roman">90<p></p></font></span></p></td><td width="113" style="BORDER-RIGHT: #ece9d8; PADDING-RIGHT: 0cm; BORDER-TOP: #ece9d8; PADDING-LEFT: 0cm; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; PADDING-TOP: 0cm; BORDER-BOTTOM: #ece9d8; BACKGROUND-COLOR: transparent; mso-cell-special: placeholder;"><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><font face="Times New Roman">&nbsp;</font></p></td></tr><tr style="mso-yfti-irow: 4; mso-row-margin-right: 85.1pt; mso-yfti-lastrow: yes;"><td valign="top" width="57" style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 1.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 1.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: windowtext 1.5pt solid; WIDTH: 42.55pt; PADDING-TOP: 0cm; BORDER-BOTTOM: #ece9d8; BACKGROUND-COLOR: transparent; mso-border-left-alt: solid windowtext 1.5pt; mso-border-right-alt: solid windowtext .75pt;"><p class="MsoNormal" align="center" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 18pt; TEXT-ALIGN: center; mso-layout-grid-align: none;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-font-kerning: 0pt;">三月</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt; mso-font-kerning: 0pt;"><p></p></span></p></td><td valign="top" width="57" style="BORDER-RIGHT: #ece9d8; PADDING-RIGHT: 1.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 1.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 42.55pt; PADDING-TOP: 0cm; BORDER-BOTTOM: #ece9d8; BACKGROUND-COLOR: transparent;"><p class="MsoNormal" align="center" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 18pt; TEXT-ALIGN: center; mso-layout-grid-align: none;"><span lang="EN-US" style="mso-bidi-font-size: 10.0pt; mso-font-kerning: 0pt;"><font face="Times New Roman">110<p></p></font></span></p></td><td valign="top" width="57" style="BORDER-RIGHT: #ece9d8; PADDING-RIGHT: 1.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 1.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 42.55pt; PADDING-TOP: 0cm; BORDER-BOTTOM: #ece9d8; BACKGROUND-COLOR: transparent;"><p class="MsoNormal" align="center" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 18pt; TEXT-ALIGN: center; mso-layout-grid-align: none;"><span lang="EN-US" style="mso-bidi-font-size: 10.0pt; mso-font-kerning: 0pt;"><font face="Times New Roman">130<p></p></font></span></p></td><td valign="top" width="57" style="BORDER-RIGHT: #ece9d8; PADDING-RIGHT: 1.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 1.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 42.55pt; PADDING-TOP: 0cm; BORDER-BOTTOM: #ece9d8; BACKGROUND-COLOR: transparent;"><p class="MsoNormal" align="center" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 18pt; TEXT-ALIGN: center; mso-layout-grid-align: none;"><span lang="EN-US" style="mso-bidi-font-size: 10.0pt; mso-font-kerning: 0pt;"><font face="Times New Roman">100<p></p></font></span></p></td><td width="113" style="BORDER-RIGHT: #ece9d8; PADDING-RIGHT: 0cm; BORDER-TOP: #ece9d8; PADDING-LEFT: 0cm; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; PADDING-TOP: 0cm; BORDER-BOTTOM: #ece9d8; BACKGROUND-COLOR: transparent; mso-cell-special: placeholder;"><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><font face="Times New Roman">&nbsp;</font></p></td></tr></tbody></table>

klhy_520 发表于 2006-11-16 06:34:46

<p class="MsoNormal" style="MARGIN: 3pt 0cm; TEXT-INDENT: 21pt; LINE-HEIGHT: 18pt; mso-layout-grid-align: none;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-font-kerning: 0pt;">产品油售价为</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt; mso-font-kerning: 0pt;"><font face="Times New Roman">200</font></span><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-font-kerning: 0pt;">元</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt; mso-font-kerning: 0pt;"><font face="Times New Roman">/</font></span><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-font-kerning: 0pt;">吨。</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt; mso-font-kerning: 0pt;"><p></p></span></p><p class="MsoNormal" style="MARGIN: 3pt 0cm; LAYOUT-GRID-MODE: char; TEXT-INDENT: 21pt; LINE-HEIGHT: 18pt; mso-layout-grid-align: none;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-font-kerning: 0pt;">硬质油和软质油需要由不同的生产线来精炼。硬质油生产线的每月最大处理能力为</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt; mso-font-kerning: 0pt;"><font face="Times New Roman">100</font></span><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-font-kerning: 0pt;">吨,软质油生产线最大处理能力为</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt; mso-font-kerning: 0pt;"><font face="Times New Roman">150</font></span><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-font-kerning: 0pt;">吨</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt; mso-font-kerning: 0pt;"><font face="Times New Roman">/</font></span><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-font-kerning: 0pt;">月。三种原料油都备有贮罐,每个贮罐的容量均为</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt; mso-font-kerning: 0pt;"><font face="Times New Roman">1000</font></span><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-font-kerning: 0pt;">吨,每吨原料油每月的存贮费用为</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt; mso-font-kerning: 0pt;"><font face="Times New Roman">5</font></span><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-font-kerning: 0pt;">元。而各种精制油以及产品无油罐可存贮。精炼的加工费用可略去不计。产品的销售没有任何问题。</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt; mso-font-kerning: 0pt;"><p></p></span></p><p class="MsoNormal" style="MARGIN: 3pt 0cm; LAYOUT-GRID-MODE: char; TEXT-INDENT: 21pt; LINE-HEIGHT: 18pt; mso-layout-grid-align: none;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-font-kerning: 0pt;">产品食油的硬度有一定的技术要求,它取决于各种原料油的硬度以及混合比例。产品食油的硬度与各种成份的硬度以及所占比例成线性关系。根据技术要求,产品食油的硬度必须不小于</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt; mso-font-kerning: 0pt;"><font face="Times New Roman">3.0</font></span><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-font-kerning: 0pt;">而不大于</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt; mso-font-kerning: 0pt;"><font face="Times New Roman">6.0</font></span><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-font-kerning: 0pt;">。各种原料油的硬度如下表(精制过程不会影响硬度):</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt; mso-font-kerning: 0pt;"><p></p></span></p><table class="MsoNormalTable" cellspacing="0" cellpadding="0" border="0" style="MARGIN: auto auto auto 1cm; BORDER-COLLAPSE: collapse; mso-padding-alt: 0cm 1.4pt 0cm 1.4pt;"><tbody><tr style="mso-yfti-irow: 0; mso-yfti-firstrow: yes; page-break-inside: avoid;"><td valign="top" width="284" colspan="4" style="BORDER-RIGHT: #ece9d8; PADDING-RIGHT: 1.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 1.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 212.75pt; PADDING-TOP: 0cm; BORDER-BOTTOM: #ece9d8; BACKGROUND-COLOR: transparent;"><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 15.6pt; mso-layout-grid-align: none;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-font-kerning: 0pt;">表</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt; mso-font-kerning: 0pt;"><font face="Times New Roman">2 </font></span><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-font-kerning: 0pt;">各种原料油的硬度(无量纲)</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt; mso-font-kerning: 0pt;"><p></p></span></p></td></tr><tr style="mso-yfti-irow: 1; mso-row-margin-right: 85.1pt;"><td valign="top" width="57" style="BORDER-RIGHT: #ece9d8; PADDING-RIGHT: 1.4pt; BORDER-TOP: gray 1.5pt solid; PADDING-LEFT: 1.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: windowtext 1.5pt solid; WIDTH: 42.55pt; PADDING-TOP: 0cm; BORDER-BOTTOM: gray 1pt solid; BACKGROUND-COLOR: transparent; mso-border-top-alt: solid gray 1.5pt; mso-border-left-alt: solid windowtext 1.5pt; mso-border-bottom-alt: solid gray .75pt;"><p class="MsoNormal" align="center" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 15.6pt; TEXT-ALIGN: center; mso-layout-grid-align: none;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-font-kerning: 0pt;">硬质</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt; mso-font-kerning: 0pt;"><font face="Times New Roman">1<p></p></font></span></p></td><td valign="top" width="57" style="BORDER-RIGHT: #ece9d8; PADDING-RIGHT: 1.4pt; BORDER-TOP: gray 1.5pt solid; PADDING-LEFT: 1.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 42.55pt; PADDING-TOP: 0cm; BORDER-BOTTOM: gray 1pt solid; BACKGROUND-COLOR: transparent; mso-border-top-alt: solid gray 1.5pt; mso-border-bottom-alt: solid gray .75pt;"><p class="MsoNormal" align="center" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 15.6pt; TEXT-ALIGN: center; mso-layout-grid-align: none;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-font-kerning: 0pt;">软质</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt; mso-font-kerning: 0pt;"><font face="Times New Roman">2<p></p></font></span></p></td><td valign="top" width="57" style="BORDER-RIGHT: #ece9d8; PADDING-RIGHT: 1.4pt; BORDER-TOP: gray 1.5pt solid; PADDING-LEFT: 1.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 42.55pt; PADDING-TOP: 0cm; BORDER-BOTTOM: gray 1pt solid; BACKGROUND-COLOR: transparent; mso-border-top-alt: solid gray 1.5pt; mso-border-bottom-alt: solid gray .75pt;"><p class="MsoNormal" align="center" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 15.6pt; TEXT-ALIGN: center; mso-layout-grid-align: none;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-font-kerning: 0pt;">软质</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt; mso-font-kerning: 0pt;"><font face="Times New Roman">3<p></p></font></span></p></td><td width="113" style="BORDER-RIGHT: #ece9d8; PADDING-RIGHT: 0cm; BORDER-TOP: #ece9d8; PADDING-LEFT: 0cm; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; PADDING-TOP: 0cm; BORDER-BOTTOM: #ece9d8; BACKGROUND-COLOR: transparent; mso-cell-special: placeholder;"><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><font face="Times New Roman">&nbsp;</font></p></td></tr><tr style="mso-yfti-irow: 2; mso-row-margin-right: 85.1pt; mso-yfti-lastrow: yes;"><td valign="top" width="57" style="BORDER-RIGHT: #ece9d8; PADDING-RIGHT: 1.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 1.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: windowtext 1.5pt solid; WIDTH: 42.55pt; PADDING-TOP: 0cm; BORDER-BOTTOM: gray 1.5pt solid; BACKGROUND-COLOR: transparent; mso-border-top-alt: solid gray .75pt;"><p class="MsoNormal" align="center" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 15.6pt; TEXT-ALIGN: center; mso-layout-grid-align: none;"><span lang="EN-US" style="mso-bidi-font-size: 10.0pt; mso-font-kerning: 0pt;"><font face="Times New Roman">8.8<p></p></font></span></p></td><td valign="top" width="57" style="BORDER-RIGHT: #ece9d8; PADDING-RIGHT: 1.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 1.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 42.55pt; PADDING-TOP: 0cm; BORDER-BOTTOM: gray 1.5pt solid; BACKGROUND-COLOR: transparent;"><p class="MsoNormal" align="center" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 15.6pt; TEXT-ALIGN: center; mso-layout-grid-align: none;"><span lang="EN-US" style="mso-bidi-font-size: 10.0pt; mso-font-kerning: 0pt;"><font face="Times New Roman">2.0<p></p></font></span></p></td><td valign="top" width="57" style="BORDER-RIGHT: #ece9d8; PADDING-RIGHT: 1.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 1.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 42.55pt; PADDING-TOP: 0cm; BORDER-BOTTOM: gray 1.5pt solid; BACKGROUND-COLOR: transparent;"><p class="MsoNormal" align="center" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 15.6pt; TEXT-ALIGN: center; mso-layout-grid-align: none;"><span lang="EN-US" style="mso-bidi-font-size: 10.0pt; mso-font-kerning: 0pt;"><font face="Times New Roman">4.2<p></p></font></span></p></td><td width="113" style="BORDER-RIGHT: #ece9d8; PADDING-RIGHT: 0cm; BORDER-TOP: #ece9d8; PADDING-LEFT: 0cm; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; PADDING-TOP: 0cm; BORDER-BOTTOM: #ece9d8; BACKGROUND-COLOR: transparent; mso-cell-special: placeholder;"><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><font face="Times New Roman">&nbsp;</font></p></td></tr></tbody></table>

klhy_520 发表于 2006-11-16 06:35:18

<p class="MsoNormal" style="MARGIN: 3pt 0cm; LAYOUT-GRID-MODE: char; TEXT-INDENT: 21pt; LINE-HEIGHT: 18pt; mso-layout-grid-align: none;"><span style="FONT-FAMILY: 宋体; LETTER-SPACING: -0.2pt; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-font-kerning: 0pt;">假设在一月初,每种原料油都有</span><span lang="EN-US" style="LETTER-SPACING: -0.2pt; mso-bidi-font-size: 10.0pt; mso-font-kerning: 0pt;"><font face="Times New Roman">500</font></span><span style="FONT-FAMILY: 宋体; LETTER-SPACING: -0.2pt; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-font-kerning: 0pt;">吨存贮而要求在三月底仍保持这样的贮备。</span><span lang="EN-US" style="LETTER-SPACING: -0.2pt; mso-bidi-font-size: 10.0pt; mso-font-kerning: 0pt;"><p></p></span></p><p class="MsoNormal" style="MARGIN: 3pt 0cm; LAYOUT-GRID-MODE: char; TEXT-INDENT: 21pt; LINE-HEIGHT: 18pt; mso-layout-grid-align: none;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-font-kerning: 0pt;">问题</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt; mso-font-kerning: 0pt;"><font face="Times New Roman">1</font></span><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-font-kerning: 0pt;">:根据表</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt; mso-font-kerning: 0pt;"><font face="Times New Roman">1</font></span><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-font-kerning: 0pt;">预测的原料油价格,编制一月各种原料油采购量、耗用量及库存量计划,使本月内的利润最大。</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt; mso-font-kerning: 0pt;"><p></p></span></p><p class="MsoNormal" style="MARGIN: 3pt 0cm; LAYOUT-GRID-MODE: char; TEXT-INDENT: 21pt; LINE-HEIGHT: 18pt; mso-layout-grid-align: none;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-font-kerning: 0pt;">问题</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt; mso-font-kerning: 0pt;"><font face="Times New Roman">2</font></span><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-font-kerning: 0pt;">:根据表</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt; mso-font-kerning: 0pt;"><font face="Times New Roman">1</font></span><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-font-kerning: 0pt;">预测的原料油价格,编制逐月各种原料油采购量、耗用量及库存量计划,使本季度内的利润最大。</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt; mso-font-kerning: 0pt;"><p></p></span></p><p class="MsoNormal" style="MARGIN: 3pt 0cm; LAYOUT-GRID-MODE: char; TEXT-INDENT: 21pt; LINE-HEIGHT: 18pt; mso-layout-grid-align: none;"><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-font-kerning: 0pt;">问题</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt; mso-font-kerning: 0pt;"><font face="Times New Roman">3</font></span><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-font-kerning: 0pt;">:考虑原料油价格上涨对利润的影响。据市场预测分析,如果二月份硬质原料油价格比表</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt; mso-font-kerning: 0pt;"><font face="Times New Roman">1</font></span><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-font-kerning: 0pt;">中的数字上涨X%,则软质油在二月份的价格将比表</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt; mso-font-kerning: 0pt;"><font face="Times New Roman">1</font></span><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-font-kerning: 0pt;">中的数字上涨</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt; mso-font-kerning: 0pt;"><font face="Times New Roman">2</font></span><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-font-kerning: 0pt;">X%,相应地,三月份,硬质原料油将上涨</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt; mso-font-kerning: 0pt;"><font face="Times New Roman">2</font></span><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-font-kerning: 0pt;">X%,软质原料油将上涨</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt; mso-font-kerning: 0pt;"><font face="Times New Roman">4</font></span><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-font-kerning: 0pt;">X%。试分析X从</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt; mso-font-kerning: 0pt;"><font face="Times New Roman">1</font></span><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-font-kerning: 0pt;">到</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt; mso-font-kerning: 0pt;"><font face="Times New Roman">20</font></span><span style="FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;; mso-font-kerning: 0pt;">的各情况下,利润将如何变化?</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt; mso-font-kerning: 0pt;"><p></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US"><p><font face="Times New Roman">&nbsp;</font></p></span></p>

klhy_520 发表于 2006-11-16 06:35:57

我的QQ 442000164会做 的联系我 小虾再此谢谢了

72104525 发表于 2007-3-2 22:10:17

<p>问题.为了更好的宣传本产品与最大量的占据市场份额,该公司欲同广告商和合作商合作。在宣传这方面公司欲投资不超过16万元,请确定与之合作费用最少,影响力最大的一名广告商与两名合作商。<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 表1<br/>&nbsp;&nbsp;&nbsp; 广告商1&nbsp;&nbsp;&nbsp; 广告商2&nbsp;&nbsp;&nbsp; 广告商3&nbsp;&nbsp;&nbsp; 广告商4<br/>影响力&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 4&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 5&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 8&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 7<br/>费用(万元)&nbsp;&nbsp;&nbsp;&nbsp; 3&nbsp;&nbsp;&nbsp; 3.5&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 7&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 6 </p><p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 表2<br/>&nbsp;合作商1&nbsp;合作商2&nbsp;&nbsp; 合作商3&nbsp; 合作商4&nbsp;&nbsp;&nbsp;&nbsp; 合作商5&nbsp;&nbsp; 合作商6<br/>影响力&nbsp;&nbsp;5&nbsp;3&nbsp;&nbsp; 4&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 7&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 6&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 8<br/>费用(万元)&nbsp;5.2&nbsp;4&nbsp;4.3&nbsp;6.9&nbsp;5.8&nbsp;9<br/></p>

72104525 发表于 2007-3-2 22:11:30

<p>请问我为什么发不了贴!!!!!!!!!!!!!!!!!!!!!!!</p>

琳琅月 发表于 2007-3-6 05:18:47

[求助]在这里求助有用吗?

<font face="宋体" size="2">我是新手中的新手,以后请大家多帮助我</font>
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