正方体的表面积=6×棱长^2=24平方分米
棱长^2=24/6=4
棱长=2分米
平均分割成8个小正方体,每个小正方体的棱长=2/2=1分米
这8个小正方体的表面积的和=6×1×1×8=48平方分米
一个正方体的表面积是24平方分米,被平均分割成8个小正方体,这8个小正方体的表面积的和是多少平方米?
一个正方体的表面积是24平方分米,被平均分割成8个小正方体,这8个小正方体的表面积的和是多少平方米?
其他人气：127 ℃时间：2019-10-10 05:18:53
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