摘要:③(3an+2b-2anbn-1+3bn)·5anbn+3 ④-4x2·(xy-y2)-3x·(xy2-2x2y)2.化简求值:-ab·(a2b5-ab3-b).其中ab2=-2.
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计算下列各题.
(1)(-
a2b)3•(-3ab3)4;
(2)(-x2y)•(-
xy2z);
(3)(-5x2)•
xy2z•(-5xz);
(4)(-3an+2b)3•(-4abn+3)2.
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(1)(-
| 1 |
| 3 |
(2)(-x2y)•(-
| 2 |
| 3 |
(3)(-5x2)•
| 1 |
| 25 |
(4)(-3an+2b)3•(-4abn+3)2.