📄 st06.htm
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<p class=MsoNormal style='text-indent:117.1pt;mso-char-indent-count:7.86;
mso-line-height-alt:12.0pt'><span style='font-size:14.0pt;font-family:黑体;
mso-hansi-font-family:宋体'>第六章<span lang=EN-US><span
style='mso-spacerun:yes'> </span></span>树和二叉树<span
lang=EN-US><o:p></o:p></span></span></p>
<p class=MsoNormal><b style='mso-bidi-font-weight:normal'><span
style='font-family:宋体'>一、选择题<span lang=EN-US><o:p></o:p></span></span></b></p>
<p class=MsoNormal><span lang=EN-US style='font-family:宋体'>1</span><span
style='font-family:宋体'>．已知一算术表达式的中缀形式为<span lang=EN-US> A+B*C-D/E</span>，后缀形式为<span
lang=EN-US>ABC*+DE/-</span>，其前缀形式为<span lang=EN-US>(<span
style='mso-spacerun:yes'> </span>)<o:p></o:p></span></span></p>
<p class=MsoNormal style='text-indent:19.5pt;mso-char-indent-count:1.71'><span
lang=EN-US style='font-family:宋体'>A</span><span style='font-family:宋体'>．<span
lang=EN-US>-A+B*C/DE<span
style='mso-spacerun:yes'> </span>B.
-A+B*CD/E<span style='mso-spacerun:yes'> </span>C</span>．<span
lang=EN-US>-+*ABC/DE<span
style='mso-spacerun:yes'>
</span>D. -+A*BC/DE<o:p></o:p></span></span></p>
<p class=MsoNormal style='text-indent:22.8pt;mso-char-indent-count:2.0'><span
style='font-family:宋体'>【北京航空航天大学<span lang=EN-US> 1999 </span>一、<span
lang=EN-US>3 </span>（<span lang=EN-US>2</span>分<span lang=EN-US>)</span>】<span
lang=EN-US><o:p></o:p></span></span></p>
<p class=MsoNormal><span lang=EN-US style='font-family:宋体'>2</span><span
style='font-family:宋体'>．算术表达式<span lang=EN-US>a+b*</span>（<span lang=EN-US>c+d/e</span>）转为后缀表达式后为（<span
lang=EN-US><span style='mso-spacerun:yes'> </span></span>）【中山大学<span
lang=EN-US> 1999 </span>一、<span lang=EN-US>5</span>】<span lang=EN-US><o:p></o:p></span></span></p>
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<p class=MsoNormal><span lang=EN-US>D</span></p>
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<p class=MsoNormal><span lang=EN-US>G</span></p>
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<p class=MsoNormal><span lang=EN-US>A</span></p>
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<p class=MsoNormal><span lang=EN-US>B</span></p>
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<p class=MsoNormal><span lang=EN-US>/</span></p>
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