底面积=3.14x(8÷2)²=50.24平方分米
高=628÷50.24=12.5分米
要做一个容积式628立方分米的圆柱形铁皮水桶,如果内部底面直径是8dm,高是多少分米?
要做一个容积式628立方分米的圆柱形铁皮水桶,如果内部底面直径是8dm,高是多少分米?
数学人气：113 ℃时间：2019-11-24 20:52:48
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