a |
b |
a |
b |
a |
b |
a |
b |
b |
a |
A.一次函数且是奇函数 | B.一次函数但不是奇函数 |
C.二次函数且是偶函数 | D.二次函数但不是偶函数 |
a |
b |
a |
b |
a |
b |
a |
b |
a |
a |
b |
b |
a |
AB |
BC |
BC |
CA |
1 |
3 |
BD |
AC |
a |
b |
a |
b |
m |
1 |
2 |
. |
n |
. |
OQ |
m |
n |
A.
| B.
| C.2,π | D.2,4π |
PC |
1 |
2 |
PQ |
PC |
1 |
2 |
PQ |
PE |
PF |
OA |
OB |
A.
| B.
| C.±3 | D.3 |
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