a |
a+1 |
b |
b+1 |
1 |
a+1 |
1 |
b+1 |
a |
a+1 |
b |
b+1 |
a(b+1)+b(a+1) |
(a+1)(b+1) |
2ab+a+b |
(a+1)(b+1) |
a+b+2 |
(a+1)(b+1) |
1 |
a+1 |
1 |
b+1 |
a+b+2 |
(a+1)(b+1) |
2a |
2a+3 |
3 |
2a+3 |
1 |
x |
2 |
1+x |
1 |
a |
1 |
a2 |
1 |
a3 |
1 |
a4 |
1 |
1+a |
1 |
1+b |
a |
1+a |
b |
1+b |
a |
a+3 |
3 |
a+3 |
1 |
a |
2 |
a |
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