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正方体a=5,求表面积和体积
人气:164 ℃ 时间:2020-06-19 19:07:42
解答
正方体体积:V= a³ = 5x5x5 = 25x5 = 125
正方体表面积:S= a²x6 = 5x5x6 = 5x30 =150
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