x-2x+2 |
2x+2 |
A.有极大值-1 | B.有极小值-1 | C.有极大值1 | D.有极小值1 |
-x+2 |
2x+2 |
-x+2 |
2x+2 |
b-c |
(a-b(a-c) |
c-a |
(b-c)(b-a) |
a-b |
(c-a)(c-b) |
2 |
a-b |
2 |
b-c |
2 |
c-a |
1 |
1-b |
1 |
1-c |
1 |
1-d |
a |
x-a |
bx |
(x-a)(x-b) |
a2 |
(a-b)(x-a) |
b2 |
(b-a(x-b) |
2a+3ab-2b |
a-2ab-b |
3 |
5 |
1 |
a |
1 |
b |
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