计算圆锥的体积 底面积为3平方分米,高为2分米:(2)底面直径为4厘米,高为4.5厘米.
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计算圆锥的体积 底面积为3平方分米,高为2分米:(2)底面直径为4厘米,高为4.5厘米.
计算圆锥的体积 底面积为3平方分米,高为2分米:(2)底面直径为4厘米,高为4.5厘米.
计算圆锥的体积 底面积为3平方分米,高为2分米:(2)底面直径为4厘米,高为4.5厘米.
2立方分米;6立方厘米
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(1)3乘2乘1/3=2立方分米 (2)4/2=2cm 2乘2乘π(取3.14吧...)乘4.5乘1/3=18.84立方厘米