题目内容
(1)计算:
+
-
;
(2)因式分a3-4a.
| 16 |
| 3 | -8 |
| 0 |
(2)因式分a3-4a.
(1)
+
-
,
=4-2-0,
=2;
(2)a3-4a=a(a2-4)=a(a+2)(a-2).
| 16 |
| 3 | -8 |
| 0 |
=4-2-0,
=2;
(2)a3-4a=a(a2-4)=a(a+2)(a-2).
练习册系列答案
相关题目
题目内容
| 16 |
| 3 | -8 |
| 0 |
| 16 |
| 3 | -8 |
| 0 |