【基楚級練習題150】
1. a 之直徑值為何?<br/> (A) 19.7168 (B) 19.7681 (C) 19.7861 不错啊 <p>基础级练习题150</p><p> </p><p></p><p></p> 跟“<strong>【基楚級練習題149】"</strong>的解法一样。学习
练习一下 真的很不错 <div><img src="file:///C:/Documents%20and%20Settings/Administrator/Application%20Data/Tencent/Users/604213406/QQ/WinTemp/RichOle/(MJOQPV{J2MOH)4}2$R`I$2.jpg"/> 学习哪</div>
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