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<title>第三章：VB语言</title>
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<td width="100%" valign="top" align="center"><a name="top"><font size="5" color="#C0C0C0"><strong>VB入门教程</strong></font></a></td>
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</center></div><p><a href="class_book_begin031.htm">第一页</a> <a href="class_book_begin032.htm">第二页</a> <a href="class_book_begin033.htm">第三页</a>
第四页 <a href="../class_book.htm">返回</a></p>
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<td width="100%"><font size="3" color="#8000FF"><strong><em>第三章：VB语言（4）</em></strong></font></td>
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<td width="100%" style="background-color: rgb(232,255,254)"><p ALIGN="JUSTIFY"><strong><span style="line-height: 25px">六、运算操作</span></strong></p>
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