1 |
a |
1 |
b |
1 |
6 |
1 |
b |
1 |
c |
1 |
9 |
1 |
a |
1 |
c |
1 |
15 |
abc |
ab+bc+ac |
1 |
a |
1 |
b |
1 |
6 |
ac+bc |
abc |
1 |
6 |
1 |
b |
1 |
c |
1 |
9 |
ab+ac |
abc |
1 |
9 |
1 |
a |
1 |
c |
1 |
15 |
ab+bc |
abc |
1 |
15 |
2(ab+bc+ac) |
abc |
31 |
90 |
abc |
ab+bc+ac |
45 |
31 |
45 |
31 |
1 |
3 |
3x |
x-1 |
x |
x+1 |
x |
x2-1 |
1 |
x |
x2-1 |
x2 |
x2-1 |
x2-2x+1 |
1 |
x-1 |
3 |
x-1 |
x-2 |
x2-2x+1 |
2 |
3a |
a+1 |
a |
a-1 |
2a |
a2-1 |
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