9 |
4 |
4 |
9 |
1 |
36 |
7 |
9 |
5 |
6 |
3 |
4 |
2 |
3 |
1 |
4 |
1 |
12 |
5 |
3 |
2 |
3 |
2 |
3 |
2 |
3 |
9 |
4 |
4 |
9 |
1 |
36 |
4 |
9 |
4 |
9 |
7 |
9 |
5 |
6 |
3 |
4 |
7 |
9 |
5 |
6 |
3 |
4 |
2 |
3 |
1 |
4 |
1 |
12 |
2 |
3 |
1 |
4 |
5 |
3 |
5 |
3 |
1 |
5 |
1 |
15 |
1 |
5 |
4 |
15 |
2 |
3 |
2 |
3 |
2 |
3 |
4 |
9 |
1 |
3 |
4 |
9 |
1 |
3 |
1 |
3 |
2 |
3 |
科目:初中數學 來源:不詳 題型:解答題
3 |
2 |
3 |
4 |
1 |
2 |
1 |
3 |
1 |
4 |
1 |
12 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
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科目:初中數學 來源:不詳 題型:解答題
5 |
6 |
1 |
6 |
9 |
10 |
1 |
15 |
1 |
6 |
1 |
3 |
1 |
2 |
1 |
4 |
1 |
10 |
10 |
3 |
1 |
8 |
1 |
1×2 |
1 |
2×3 |
1 |
3×4 |
1 |
1999×2000 |
1 |
5 |
1 |
3 |
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科目:初中數學 來源:不詳 題型:解答題
1 |
22 |
1 |
2 |
1 |
3 |
1 |
32 |
2 |
3 |
4 |
3 |
1 |
42 |
3 |
4 |
5 |
4 |
1 |
1002 |
1 |
20052 |
1 |
22 |
1 |
32 |
1 |
20042 |
1 |
20052 |
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科目:初中數學 來源:不詳 題型:解答題
1 |
1×2 |
1 |
2 |
1 |
2×3 |
1 |
2 |
1 |
3 |
1 |
3×4 |
1 |
3 |
1 |
4 |
1 |
9×10 |
1 |
9 |
1 |
10 |
1 |
1×2 |
1 |
2×3 |
1 |
3×4 |
1 |
9×10 |
1 |
2 |
1 |
3 |
1 |
3 |
1 |
4 |
1 |
9 |
1 |
10 |
1 |
2 |
1 |
3 |
1 |
3 |
1 |
4 |
1 |
9 |
1 |
10 |
1 |
10 |
9 |
10 |
1 |
n(n-1) |
1 |
1×2 |
1 |
2×3 |
1 |
3×4 |
1 |
2010×2011 |
1 |
1×2 |
1 |
2×3 |
1 |
3×4 |
1 |
n(n+1) |
1 |
2×4 |
1 |
4×6 |
1 |
6×8 |
1 |
2012×2014 |
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