1 |
1×3 |
1 |
2×4 |
1 |
3×5 |
1 |
18×20 |
A.
| B.
| C.
| D.
|
1 |
1×3 |
1 |
2×4 |
1 |
3×5 |
1 |
18×20 |
1 |
2 |
1 |
3 |
1 |
2 |
1 |
2 |
1 |
4 |
1 |
2 |
1 |
3 |
1 |
5 |
1 |
2 |
1 |
18 |
1 |
20 |
1 |
2 |
1 |
3 |
1 |
2 |
1 |
4 |
1 |
3 |
1 |
5 |
1 |
18 |
1 |
20 |
1 |
2 |
1 |
2 |
1 |
3 |
1 |
4 |
1 |
17 |
1 |
18 |
1 |
3 |
1 |
4 |
1 |
5 |
1 |
18 |
1 |
19 |
1 |
20 |
1 |
2 |
1 |
2 |
1 |
19 |
1 |
20 |
531 |
760 |
m3+1 |
n2-1 |
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