| x+1 |
| 3x |
| x |
| 2x+6 |
| x-1 |
| x2-9 |
| 1 |
| x-1 |
| 1 |
| x2-1 |
| 1 |
| x2+x |
| x |
| x-y |
| y |
| x2+2xy+y2 |
| 2 |
| y2-x2 |
| x+1 |
| 3x |
| 2(x+1)(x+3)(x-3) |
| 6x(x+3)(x-3) |
| x |
| 2x+6 |
| 3x2(x-3) |
| 6x(x+3)9x-3) |
| 3x3-9x2 |
| 6x(x+3)(x-3) |
| x-1 |
| x2-9 |
| 6x(x-1) |
| 6x(x+3)(x-3) |
| 6x2-6x |
| 6x(x+3)(x-3) |
| 1 |
| x-1 |
| x(x+1) |
| x(x+1)(x-1) |
| x2+x |
| x(x+1)(x-1) |
| 1 |
| x2-1 |
| x |
| x(x+1)(x-1) |
| 1 |
| x2+x |
| x-1 |
| x(x+1)(x-1) |
| x |
| x-y |
| x(x+y)2 |
| (x+y)2(x-y) |
| x3+2x2y+xy2 |
| (x+y)2(x-y) |
| y |
| x2+2xy+y2 |
| xy-y2 |
| (x+y)2(x-y) |
| 2 |
| y2-x2 |
| 2x+2y |
| (x+y)2(x-y) |
科目:初中数学 来源: 题型:
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| 3 |
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