把一个长7分米,宽6分米,高5分米的长方体加工成最大的圆柱,圆柱的体积是多少立方分米?再削成圆柱,体积
是多少?
人气:134 ℃ 时间:2019-11-22 16:31:11
解答
杨粉沫子 ,
圆柱体积:3.14×(6÷2)²×5=141.3(立方分米)
圆锥体积:141.3×1/3=47.1(立方分米)
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