π |
2 |
π |
3 |
3 |
5 |
π |
3 |
π |
12 |
a |
b |
c |
a |
b |
c |
A.1个 | B.2个 | C.3个 | D.4个 |
-3a |
5|a| |
3 |
5 |
π |
12 |
π |
3 |
π |
2 |
a |
b |
a |
b |
c |
1 |
2 |
π |
4 |
1 |
sinx |
A.(2,3) | B.(-∞,1]∪(2,+∞) | C.(-∞,-2)∪[3,+∞) | D.(-∞,-2)∪(1,2] |
1 |
2x-1 |
1 |
2 |
a |
b |
c |
a |
b |
c |
c |
a |
b |
0 |
x-1 |
A.1 | B.2 | C.3 | D.4 |
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