1 |
1×3 |
1 |
2×4 |
1 |
3×5 |
1 |
98×100 |
1 |
99×101 |
A.1 | B.2 | C.3 | D.4 |
1 |
1×3 |
1 |
2×4 |
1 |
3×5 |
1 |
98×100 |
1 |
99×101 |
22 |
1×3 |
32 |
2×4 |
42 |
3×5 |
992 |
98×100 |
1002 |
99×101 |
22×1002 |
1×2×100×101 |
200 |
101 |
1 |
1×3 |
1 |
2×4 |
1 |
3×5 |
1 |
98×100 |
1 |
99×101 |
3x |
x+2 |
x |
x-2 |
x |
x2-4 |
16 |
1 |
3 |
x2 |
x+1 |
1 |
x+1 |
x2 |
x2-x |
x2-4x |
x+3 |
4-x |
x+3 |
1 |
ab+c-1 |
1 |
bc+a-1 |
1 |
ca+b-1 |
A.-1 | B.-
| C.2 | D.-
|
2 |
1 |
a |
1 |
b |
3 |
a-b |
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