3 |
x |
A.y3>y2>y1 | B.y2>y3>y1 | C.y2>y1>y3 | D.y1>y2>y3 |
3 |
-2 |
3 |
1 |
3 |
2 |
4 |
x |
A.y1>y2>y3 | B.y3>y2>y1 | C.y1>y3>y2 | D.y2>y3>y1 |
3 |
x |
A.(0,3) | B.(9,3) | C.(1,3) | D.(3,3) |
A.(-a,-b) | B.(-a,b) | C.(
| D.(a,-b) |
k |
x |
A.正数 | B.负数 | C.非正数 | D.非负数 |
1 |
x |
A.S=1 | B.S=2 | C.1<S<2 | D.S>2 |
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