主题: 10万火急帮个忙！
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旧 Mar 5th, 2008, 15:25     #36
Blue Rose
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作者: 风雪 查看帖子
那就调整为精确计算

:

口：16-15/16"x 5-11/16"=16.9375x5.6875
底：16-7/16“x 5-1/4"=16.4375x5.25
高：5-1/4“=5.25

(16.9375+16.4375)*5.254555315...
我谢谢您，梯形面积里的高，难道不是垂直高？
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