| 3 |
| x |
| 6 |
| 1-x |
| x+5 |
| x2-x |
| a2b |
| c |
| -c2 |
| ab |
| bc |
| a |
| x |
| x-y |
| y2 |
| x+y |
| x4y |
| x4-y4 |
| x2 |
| x2+y2 |
| a+2 |
| a2-2a |
| a-1 |
| a2-4a+4 |
| 4-a |
| a2-2a |
| 3 |
| x |
| 6 |
| 1-x |
| x+5 |
| x2-x |
| 3(x-1) |
| x(x-1) |
| 6x |
| x(x-1) |
| x+5 |
| x(x-1) |
| 3x-3+6x-x-5 |
| x(x-1) |
| 8x-8 |
| x(x-1) |
| 8(x-1) |
| x(x-1) |
| 8 |
| x |
| a2b |
| c |
| -c2 |
| ab |
| bc |
| a |
| a6b3 |
| c3 |
| c4 |
| a2b2 |
| a4 |
| b4c4 |
| a8 |
| c3b3 |
| x |
| x-y |
| y2 |
| x+y |
| x4y |
| x4-y4 |
| x2 |
| x2+y2 |
| xy2 |
| x2-y2 |
| x4y |
| (x2+y2) (x2-y2) |
| x2+y2 |
| x2 |
| xy2 |
| x2-y2 |
| x2y |
| x2-y2 |
| xy(y-x) |
| (x+y)(x-y) |
| xy |
| x+y |
| a+2 |
| a2-2a |
| a-1 |
| a2-4a+4 |
| 4-a |
| a2-2a |
| a+2 |
| a(a-2) |
| a-1 |
| (a-2)2 |
| a(a-2) |
| 4-a |
| a+2 |
| 4-a |
| a(a-1) |
| (a-2)(4-a) |
| a2-4-a2+a |
| (a-2)(4-a) |
| a-4 |
| (a-2)(4-a) |
| 1 |
| a-2 |
科目:初中数学 来源: 题型:
| 1 | 3 |
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科目:初中数学 来源: 题型:
| 1 | 3 |
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