a |
2 |
A.(0,2) | B.(0,1) | C.(0,1)∪(1,2) | D.(1,2) |
a |
2 |
a2 |
4 |
a |
2 |
a |
2 |
a2 |
4 |
(x-1)2+1 |
A.关于(0,0)点对称 | B.关于y轴对称 |
C.关于(1,0)点对称 | D.关于直线x=1对称 |
A.(1,+∞) | B.(0,1) | C.(1,2) | D.(0,2) |
A.(-
| B.(-∞,-
| ||||||||
C.(
| D.(-∞,-
|
A.(kπ-
| B.(kπ-
| ||||||||
C.(kπ+
| D.(kπ+
|
32 |
9 |
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