1 |
1×2 |
1 |
2×3 |
1 |
3×4 |
1 |
n×(n-1) |
1 |
2 |
1 |
2 |
1 |
3 |
1 |
3 |
1 |
4 |
1 |
n-1 |
1 |
n |
x |
1×2 |
x |
2×3 |
x |
3×4 |
x |
2003×2004 |
1 |
1×2 |
1 |
2×3 |
1 |
3×4 |
1 |
n×(n-1) |
1 |
2 |
1 |
2 |
1 |
3 |
1 |
3 |
1 |
4 |
1 |
n-1 |
1 |
n |
x |
1×2 |
x |
2×3 |
x |
3×4 |
x |
2003×2004 |
1 |
2 |
1 |
2 |
1 |
3 |
1 |
3 |
1 |
4 |
1 |
2003 |
1 |
2004 |
1 |
2004 |
2003 |
2004 |
3 |
m |
3m-2 |
3 |
A.
| B.-
| C.
| D.-3 |
x-12 |
5 |
2 |
9 |
9 |
2 |
2 |
9 |
x-5 |
6 |
x+3 |
2 |
A.4 | B.3 | C.2 | D.1 |
1 |
4 |
A.-
| B.-
| C.
| D.
|
A.
| B.2 | C.6 | D.
|
2x+4 |
3 |
3x-1 |
2 |
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