| 1 |
| x |
| 1 |
| x+2 |
科目:初中数学 来源: 题型:
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科目:初中数学 来源: 题型:
| 1 |
| 2 |
| 1 |
| 1×2 |
| 1 |
| 1 |
| 1 |
| 2 |
| 1 |
| 6 |
| 1 |
| 2×3 |
| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 12 |
| 1 |
| 3×4 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 20 |
| 1 |
| 4×5 |
| 1 |
| 4 |
| 1 |
| 5 |
| 1 |
| 30 |
| 1 |
| 5×6 |
| 1 |
| 5 |
| 1 |
| 6 |
| 1 |
| x(x+1) |
| 1 |
| x |
| 1 |
| x+1 |
| 1 |
| x(x+1) |
| 1 |
| x |
| 1 |
| x+1 |
| 1 |
| (x-4)(x-3) |
| 1 |
| (x-3)(x-2) |
| 1 |
| (x-2)(x-1) |
| 1 |
| (x-1)x |
| 1 |
| x(x+1) |
| 1 |
| x+1 |
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科目:初中数学 来源: 题型:
| x |
| x2-2x |
| ( ) |
| x-2 |
| a+b |
| ab |
| ( ) |
| a2b |
| 2a |
| 3b |
| 3c |
| 5a |
| 2c |
| 5b |
| 2c |
| 5b |
| x+1 |
| x |
| 1 |
| x |
| 2 |
| 3a2 |
| 1 |
| 6ab2 |
| 4b2+a |
| 6a2b2 |
| 4b2+a |
| 6a2b2 |
| 1 |
| 9 |
| 1 |
| 9 |
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科目:初中数学 来源: 题型:阅读理解
| x-1 |
| x |
| 1-x |
| x+1 |
| 5x-5 |
| 2x+2 |
| x-1 |
| x |
| x-1 |
| x+1 |
| 5(x-1) |
| 2(x+1) |
| 1 |
| x |
| 1 |
| x+1 |
| 5 |
| 2(x+1) |
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