1 |
2×3 |
1 |
3×4 |
1 |
4×5 |
1 |
5×6 |
1 |
9×10 |
1 |
2×3 |
1 |
3×4 |
1 |
4×5 |
1 |
5×6 |
1 |
9×10 |
1 |
2 |
1 |
3 |
1 |
3 |
1 |
4 |
1 |
4 |
1 |
5 |
1 |
9 |
1 |
10 |
1 |
2 |
1 |
10 |
2 |
5 |
2 |
5 |
2 |
R |
1 |
R1 |
1 |
R2 |
A.
| B.
| C.
| D.
|
1 |
x-1 |
1 |
1+x |
2 |
x2+1 |
4 |
x4+1 |
8 |
x8+1 |
3x2+9x+7 |
x+1 |
2x2-4x+3 |
x-1 |
x3+x+1 |
x2-1 |
b-c |
a2-ab-ac+bc |
c-a |
b2-bc-ab+ac |
a-b |
c2-ac-bc+ab |
2a2+3a+2 |
a+1 |
a2-a-5 |
a+2 |
3a2-4a-5 |
a-2 |
2a2-8a+5 |
a-3 |
1 |
x2+3x+2 |
1 |
x2+5x+6 |
1 |
x2+7x+12 |
2a-b-c |
a2-ab-ac+bc |
2b-c-a |
b2-ab-bc+ac |
2c-a-b |
c2-ac-bc+ab |
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