kπ |
2 |
π |
3 |
π |
6 |
π |
2 |
A.1 | B.2 | C.3 | D.4 |
π |
2 |
π |
3 |
π |
6 |
π |
2 |
A.0个 | B.1个 | C.2个 | D.3个 |
A.若a>b,则ac>bc | B.若|x-3|>1,则2<x<4 | ||
C.若a2>b2,则a>b>0 | D.若|x2-3|>1,则
|
a |
b |
A.4 | B.3 | C.2 | D.1 |
1 |
2 |
1 |
2 |
1 |
2 |
k |
2 |
1 |
2 |
1 |
2 |
A.① | B.②③ | C.①②③ | D.①④ |
A.1 | B.2 | C.3 | D.4 |
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