| 2x-6 |
| 4-4x+x2 |
| x2+x-6 |
| 3-x |
| a2 |
| b |
| b2 |
| a |
| 1 |
| ab |
2+
| ||
2-
|
| ||||
|
| 3-x |
| 2x-4 |
| 5 |
| x-2 |
| 1 |
| x-1 |
| 1 |
| x+1 |
| 2x-6 |
| 4-4x+x2 |
| x2+x-6 |
| 3-x |
| 2(x-3) |
| (x-2)2 |
| 1 |
| x+3 |
| (x-2)(x+3) |
| 3-x |
| 2 |
| x-2 |
| a2 |
| b |
| b2 |
| a |
| 1 |
| ab |
| a4 |
| b2 |
| b6 |
| a3 |
| 1 |
| a4b4 |
2+
| ||
2-
|
| ||||
|
| 2x+3y |
| 2x-3y |
| 3x+2y |
| 3x-2y |
| (2x+3y)(3x-2y)-(2x-3y)(3x+2y) |
| (2x-3y)(3x-2y) |
| 10xy |
| (2x-3y)(3x-2y) |
| 3-x |
| 2x-4 |
| 5 |
| x-2 |
| 3-x |
| 2(x-2) |
| (x+2)(x-2)-5 |
| x-2 |
| 3-x |
| 2(x-2) |
| x-2 |
| (x+3)(x-3) |
| 1 |
| 2(x+3) |
| 1 |
| x-1 |
| 1 |
| x+1 |
| 1 |
| x-1 |
| 1 |
| x+1 |
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| x-2 |
| x+2 |
| 4x |
| x2-4 |
| 1 |
| x2-4 |
| 3 |
| 3 |
| 3 |
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科目:初中数学 来源: 题型:
| 2x-6 |
| 4-4x+x2 |
| x2+x-6 |
| 3-x |
| a2 |
| b |
| b2 |
| a |
| 1 |
| ab |
2+
| ||
2-
|
| ||||
|
| 3-x |
| 2x-4 |
| 5 |
| x-2 |
| 1 |
| x-1 |
| 1 |
| x+1 |
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