一种长方体的玻璃金鱼缸,长是8分米,宽是5分米,高是6厘米.做这样的一个金鱼缸至少需要多少平方分米的玻璃
人气:336 ℃ 时间:2019-08-20 10:51:56
解答
2×8×0.6+2×5×0.6+5×8=55.6
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