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设某几何体的三视图如下(尺寸的长度单位为m)则该几何体的体积为 m3.
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设某几何体的三视图如下(尺寸的长度单位为m)则该几何体的体积为
m
3.
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要得到函数y=sin2x的图象,可由函数
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D.向右平移
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