Joseflin 发表于 2007-4-20 13:21:00

【基礎級練習題33】

1. a之長度為何？<br/>&nbsp;&nbsp; (A) 22.9565&nbsp;&nbsp; (B) 22.9656&nbsp;&nbsp;&nbsp; (C) 22.9666<br/>2. b之距離為何？<br/>&nbsp;&nbsp; (A) 22.4178&nbsp;&nbsp; (B) 22.4718&nbsp;&nbsp; (C) 22.4817<br/>3. ABCDE圍成之面積為何？<br/>&nbsp;&nbsp; (A) 4470.8249&nbsp;&nbsp; (B) 4470.8429&nbsp;&nbsp; (C) 4470.8942&nbsp;

艾·奥里斯 发表于 2007-4-20 13:46:00

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落论冬季 发表于 2007-4-20 21:52:00

Joseflin发表于2007-4-20 13:21:00static/image/common/back.gif1. a之長度為何？&nbsp;&nbsp; (A) 22.9565&nbsp;&nbsp; (B) 22.9656&nbsp;&nbsp;&nbsp; (C) 22.96662. b之距離為何？&nbsp;&nbsp; (A) 22.4178&nbsp;&nbsp; (B) 22.4718&nbsp;&nbsp; (C) 22.4

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SHAONX 发表于 2007-4-27 22:25:00

<p>【基础级练习题33】答案：<br/>1. a之长度 = 22.9666，就是(C)<br/>2. b之距离 = 22.4817，就是(C)<br/>3. ABCDE围成之面积 = 4470.8429，就是(B)</p><p>动画解题已发表：</p><p><a href="http://bbs.mjtd.com/forum.php?mod=viewthread&tid=55192&extra=&page=4&amp;page">http://bbs.mjtd.com/forum.php?mod=viewthread&tid=55192&extra=&page=4&amp;page</a>=</p>
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