| 3-x |
| 2x-4 |
| 5 |
| x-2 |
| x |
| x-y |
| y2 |
| x+y |
| x4y |
| x4-y4 |
| x2 |
| x2+y2 |
| 5 |
| 2x+3 |
| 3 |
| x-1 |
| x |
| x+2 |
| x+2 |
| x-2 |
| 8 |
| x2-4 |
| 3-x |
| 2x-4 |
| x2-9 |
| x-2 |
| 3-x |
| 2(x-2) |
| x-2 |
| (x+3)(x-3) |
| 1 |
| 2x-6 |
| xy2 |
| x2-y2 |
| x4y |
| (x2+y2)(x2-y2) |
| x2+y2 |
| x2 |
| xy |
| x+y |
| x(x-2)-(x+2)2 |
| (x+2)(x-2) |
| 8 |
| (x+2)(x-2) |
| 1 |
| 2x-6 |
| xy |
| x+y |
科目:初中数学 来源: 题型:
| 1 |
| 3 |
| 1 |
| 2 |
| 2(x+1) |
| 3 |
| 5(x+1) |
| 6 |
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