1 |
x |
3π |
4 |
1 |
π |
4-x2 |
A.0 | B.1 | C.2 | D.3 |
1 |
x |
1-x |
x |
|
|
∫ | 20 |
1 |
π |
4-x2 |
x |
3 |
1 |
x |
1 |
3 |
x |
3 |
π |
4 |
π |
2 |
a |
b |
a |
b |
a |
b |
x-1 |
2x+1 |
1 |
2 |
1 |
2 |
A.1 | B.2 | C.3 | D.4 |
A.p或q | B.p且q | C.﹁p且q | D.﹁p或q |
A.∃x∈R,x3<0 | ||||||||
B.“a>0“是“|a|>0”的充分不必要条件 | ||||||||
C.∀x∈R,2x>0 | ||||||||
D.“
|
π |
12 |
5π |
6 |
5π |
6 |
5π |
3 |
3 |
A.1 | B.2 | C.3 | D.4 |
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