100÷4=25(平方厘米)
25×6=150(立方厘米)
答:每个正方体的表面积是150平方厘米.
把三个棱长相等的正方体拼成一个长方体,表面积减少了100平方厘米,求每个正方体的表面积.
把三个棱长相等的正方体拼成一个长方体,表面积减少了100平方厘米,求每个正方体的表面积.
数学人气:811 ℃时间:2019-12-09 05:30:22
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