五 |
w |
她 |
2 |
她 |
2 |
她 |
2 |
A.p真q真 | B.p假q假 | C.p真q假 | D.p假q真 |
15
| ||
2 |
A.∀x∈R,2x-1>0 | B.∃x∈R,lgx<1 |
C.∀x∈R,x2>0 | D.∃x∈R,tanx=2 |
x2 |
a2 |
y2 |
b2 |
AB |
BF |
| ||
2 |
a |
b |
a |
b |
a |
b |
5 |
4 |
A.1 个 | B.2 个 | C.3 个 | D.4 个 |
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 |
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