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yan jian bu yi ding wei shi
Author(s): 
Pages: 80-81
Year: Issue:  Z2
Journal: School Journal of Mathematics

Keyword:  两个问题几何图形正方形拼接单位面积长方形成图直角三角形计算对角线;
Abstract: <正>俗话说:耳听为虚,眼见为实。那么先让大家看看下面两个问题吧,验证一下你的眼睛看到的东西是否为实。第一个问题,如果将图1中的四块几何图形裁剪开后重新拼接成
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