algebra 发表于 2008-5-8 08:16

一道有趣的小学数学问题

<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><b><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">假设地球是一光滑球体，一长绳恰好绕地球赤道一周</span><span lang="EN-US"><font face="Times New Roman">,</font></span></b><b><span lang="EN-US" style="FONT-SIZE: 24pt; COLOR: white; FONT-FAMILY: 楷体_GB2312; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;">
                        </span></b><b><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">再把长绳加长</span><span lang="EN-US"><font face="Times New Roman">30</font></span></b><b><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: &quot;Times New Roman&quot;; mso-hansi-font-family: &quot;Times New Roman&quot;;">米，环绕地球，与赤道成为同心圆，绳子与地球间有一定间隔请问此间隔能通过一辆汽车吗？</span></b></p>

陌封尘 发表于 2011-7-7 09:09

能....{:3_59:}
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