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数学
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一个圆锥的体积是12立方厘米,底面积是4平方厘米,高是( )
A. 3cm
B. 6cm
C. 9cm
D. 12cm
人气:379 ℃ 时间:2019-08-18 09:51:35
解答
12÷
1
3
÷4
=12×3÷4
=36÷4
=9(厘米).
答:高是9厘米.
故选:C.
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