题目内容
x3y2•(-xy3)2的计算结果是( )
| A.x5y10 | B.x5y8 | C.-x5y8 | D.x6y12 |
x3y2•(-xy3)2,
=x3y2•x2y3×2,
=x3+2y2+6,
=x5y8.
故选B.
=x3y2•x2y3×2,
=x3+2y2+6,
=x5y8.
故选B.
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题目内容
| A.x5y10 | B.x5y8 | C.-x5y8 | D.x6y12 |