a |
b |
c |
a |
b |
c |
c |
a |
b |
a |
b |
a |
b |
b |
c |
a |
c |
a |
b |
c |
a |
b |
a |
b |
a |
b |
A.①② | B.②③ | C.③④ | D.②④ |
a |
b |
c |
c |
c |
a |
b |
b |
a |
b |
a |
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b |
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a |
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a |
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a |
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c |
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c |
A.命题p不一定是假命题 |
B.命题q不一定是真命题 |
C.命题q一定是真命题 |
D.命题p与命题q真假性相同 |
A.1个 | B.2个 | C.3个 | D.4个 |
A.0 | B.2 | C.3 | D.4 |
A.公差为0的等差数列是等比数列 | ||
B.a,b,c成等比数列的充要条件是b2=ac | ||
C.公比q=
| ||
D.
|
A.1 | B.2 | C.3 | D.4 |
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