1 |
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1 |
1 |
1 |
2 |
1 |
2×3 |
1 |
2 |
1 |
3 |
1 |
3×4 |
1 |
3 |
1 |
4 |
1 |
1×2 |
1 |
2×3 |
1 |
3×4 |
1 |
2004×2005 |
1 |
1 |
1 |
2 |
1 |
2 |
1 |
3 |
1 |
3 |
1 |
4 |
1 |
2004 |
1 |
2005 |
1 |
2005 |
2004 |
2005 |
1 |
10×11 |
1 |
11×12 |
1 |
100×101 |
1 |
1×3 |
1 |
3×5 |
1 |
2005×2007 |
1 |
n(n+1) |
1 |
n |
1 |
n+1 |
1 |
n(n+2) |
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2 |
1 |
n |
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n+2 |
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1 |
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1 |
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10 |
1 |
11 |
1 |
11 |
1 |
12 |
1 |
100 |
1 |
101 |
1 |
10 |
1 |
11 |
1 |
11 |
1 |
12 |
1 |
100 |
1 |
101 |
1 |
10 |
1 |
101 |
91 |
10100 |
1 |
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1 |
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1 |
2 |
1 |
3 |
1 |
2 |
1 |
3 |
1 |
5 |
1 |
2 |
1 |
2005 |
1 |
2007 |
1 |
2 |
1 |
3 |
1 |
3 |
1 |
5 |
1 |
2005 |
1 |
2007 |
1 |
2 |
1 |
2007 |
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2007 |
科目:初中數(shù)學 來源: 題型:閱讀理解
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科目:初中數(shù)學 來源: 題型:閱讀理解
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3 |
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科目:初中數(shù)學 來源: 題型:閱讀理解
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科目:初中數(shù)學 來源: 題型:
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2 |
1 |
1×2 |
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1 |
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6 |
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2 |
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3 |
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12 |
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3 |
1 |
4 |
1 |
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4 |
1 |
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2 |
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6 |
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(x-3)(x-2) |
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(x-2)(x-1) |
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(x-1)x |
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