1 |
3 |
0.81 |
6
|
1 |
10 |
82+62 |
3 | -0.008 |
4 | 81 |
5 | 32 |
3 | -42
| ||
科目:初中數(shù)學(xué) 來源: 題型:
1 |
2 |
1 |
6 |
1 |
12 |
1 |
20 |
1 |
30 |
1 |
42 |
1 |
56 |
1 |
56 |
1 |
n(n+1) |
1 |
n(n+1) |
1 |
132 |
1 |
2 |
1 |
6 |
1 |
12 |
1 |
20 |
1 |
30 |
1 |
42 |
1 |
2010×2011 |
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科目:初中數(shù)學(xué) 來源: 題型:
1 |
1×2 |
1 |
2 |
1 |
2×3 |
1 |
2 |
1 |
3 |
1 |
3×4 |
1 |
3 |
1 |
4 |
1 |
4×5 |
1 |
4 |
1 |
5 |
1 |
n(n+1) |
1 |
n(n+1) |
1 |
n |
1 |
n+1 |
1 |
n |
1 |
n+1 |
1 |
1×2 |
1 |
2×3 |
1 |
3×4 |
1 |
4×5 |
1 |
2 |
1 |
2 |
1 |
3 |
1 |
3 |
1 |
4 |
1 |
5 |
1 |
5 |
4 |
5 |
1 |
1×2 |
1 |
2×3 |
1 |
3×4 |
1 |
2008×2009 |
2008 |
2009 |
2008 |
2009 |
1 |
1×2 |
1 |
2×3 |
1 |
3×4 |
1 |
n×(n+1) |
n |
n+1 |
n |
n+1 |
1 |
2 |
1 |
6 |
1 |
12 |
1 |
20 |
1 |
30 |
1 |
42 |
1 |
56 |
1 |
72 |
1 |
90 |
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