来自黄玲玲的问题
数学一个长方形长9厘米宽4厘米,把它分成两个大小形状相同的图形,能再拼成一个正方形,怎么分?
数学一个长方形长9厘米宽4厘米,把它分成两个大小形状相同的图形,能再拼成一个正方形,怎么分?
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2020-03-15 10:34
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裴伟东
我用坐标描述这个正方形吧(0,0)(0,6)(6,0)(6,6)这些是正方形的四个点
切线是(0,4)->(3,4)->(3,2)->(6,2)
自己想想就可以把其组成长9宽4的长方形了
2020-03-15 10:36:57
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