1 |
a2-a+1 |
1-a |
a3-1 |
a4-a2-2 |
(a6-1)-(a4+a2+1) |
1 |
a2-a+1 |
1-a |
a3-1 |
a4-a2-2 |
(a6-1)-(a4+a2+1) |
1 |
a2-a+1 |
a-1 |
(a-1)(a2+a+1) |
(a2-2)(a2+1) |
(a4+a2+1)(a2-1-1) |
a2+a+1+a2-a+1 |
(a2-a+1)(a2+a+1) |
a4+a2+1 |
a2+1 |
2(a2+1) |
a2+1 |
x+y-xy |
x+y+2xy |
y+z-2yz |
y+z+3yz |
x+z-3zx |
x+z+4zx |
2 |
x |
3 |
y |
1 |
z |
1 |
b |
1 |
c |
1 |
a |
1 |
y |
1 |
z |
1 |
x |
1 |
a |
1 |
b |
1 |
c |
1 |
a+b+c |
1 |
an |
1 |
bn |
1 |
cn |
1 |
an+bn+cn |
a4 |
(a-b)(a-c) |
b4 |
(b-c)(b-a) |
c4 |
(c-a)(c-b) |
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