a4 |
(a-b)(a-c) |
b4 |
(b-c)(b-a) |
c4 |
(c-a)(c-b) |
-a4(b-c)-b4(c-a)-c4(a-b) |
(a-b)(c-a)(b-c) |
(a-b)(c-a)(b-c)(a2+b2+c2+ab+bc+ca) |
(a-b)(b-c)(c-a) |
1 |
2 |
ax+b |
cx2+d |
| ||||
|
| ||||
|
1 |
a |
1 |
b |
1 | ||||
|
2 |
3 |
1 |
x-1 |
1 |
x+1 |
2x |
x2+1 |
4x3 |
x4+1 |
A.
| B.
| C.
| D.
|
(x-2)3-(x-1)2+1 |
x-2 |
a+b |
2 |
b-2c |
3 |
3c-a |
4 |
5a+6b-7c |
8a+9b |
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