皮皮学，免费搜题
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【简答题】
等底等高的圆柱和圆锥，圆柱的体积是圆锥体积的______；圆锥的体积是圆柱体积的______，圆柱的体积比圆锥的体积多______%；圆锥的体积比圆柱体积少______%．（百分号前保留一位小数）
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皮皮学刷刷变学霸
举一反三
【多选题】Among those which is deemed sales? ( )
A.
the enterprise uses self-produced goods for employees’ welfares
B.
the enterprise uses self-produced goods for dividend distribution
C.
the enterprise uses purchased goods for employees’ welfares
D.
the enterprise uses purchased goods for dividend distribution
【简答题】已知I A =5A,I B =3A,I C =-8A,则I1= A,I 2= A, U S= V。