| 1 |
| x-2 |
| 1-x |
| 2-x |
| A、1=1-x-3(x-2) |
| B、1=x-1-3(2-x) |
| C、1=x-1-3(x-2) |
| D、-1=1-x-3(x-2) |
科目:初中數(shù)學(xué) 來源: 題型:
| x2+x |
| x |
| x2-x-2 |
| x-2 |
| 1 |
| x+1 |
| 2 |
| x-1 |
| 4 |
| x2-1 |
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| 1 |
| 1×3 |
| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 3×5 |
| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 5 |
| 1 |
| 5×7 |
| 1 |
| 2 |
| 1 |
| 5 |
| 1 |
| 7 |
| 1 |
| 17×19 |
| 1 |
| 2 |
| 1 |
| 17 |
| 1 |
| 19 |
| 1 |
| 1×3 |
| 1 |
| 3×5 |
| 1 |
| 5×7 |
| 1 |
| 7×9 |
| 1 |
| 17×19 |
| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 3 |
| 1 |
| 5 |
| 1 |
| 17 |
| 1 |
| 19 |
| 9 |
| 19 |
| 1 |
| 1×3 |
| 1 |
| 3×5 |
| 1 |
| 5×7 |
| 1 |
| x(x+2) |
| 1 |
| (x+2)(x+4) |
| 1 |
| (x+8)(x+10) |
| 5 |
| 24 |
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科目:初中數(shù)學(xué) 來源: 題型:閱讀理解
| 1 |
| x-4 |
| 4 |
| x-1 |
| 2 |
| x-3 |
| 3 |
| x-2 |
| 1 |
| x-4 |
| 3 |
| x-2 |
| 2 |
| x-3 |
| 4 |
| x-1 |
| -2x+10 |
| x2-6x+8 |
| -2x+10 |
| x2-4x+3 |
| 1 |
| x2-6x+8 |
| 1 |
| x2-4x+3 |
| 5 |
| 2 |
| 5 |
| 2 |
| 5 |
| 2 |
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