题目内容
(1)计算:
+
-(π-2)0
(2)分解因式:2x3y-8x2y2+8xy3.
1
|
| 3 | -0.125 |
(2)分解因式:2x3y-8x2y2+8xy3.
(1)原式=
-0.5-1
=-
;
(2)2x3y-8x2y2+8xy3
=2xy(x2-4xy+4y2)
=2xy(x-2y)2.
| 7 |
| 6 |
=-
| 1 |
| 3 |
(2)2x3y-8x2y2+8xy3
=2xy(x2-4xy+4y2)
=2xy(x-2y)2.
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