题目内容
填空:
=
______;
=
______.
| a+b |
| ab |
| () |
| a2b |
| x |
| x(x-1) |
| 1 |
| () |
| a+b |
| ab |
| (a2+ab) |
| a2b |
| x |
| x(x-1) |
| 1 |
| (x-y) |
故本题答案为:a2+ab,x-y.
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题目内容
| a+b |
| ab |
| () |
| a2b |
| x |
| x(x-1) |
| 1 |
| () |
| a+b |
| ab |
| (a2+ab) |
| a2b |
| x |
| x(x-1) |
| 1 |
| (x-y) |