5 |
A.a>b>c | B.a<c<b | C.a>c>b | D.c>b>a |
5 |
A.
| B.|a|>|b| | C.a+b≥2
| D.(
|
a |
b |
c |
d |
1 |
e |
A.lg(x2+1)≥lg2x | B.x2+1>2x | ||
C.
| D.x2+4≥4x |
π |
2 |
A..若
| B..若
| ||||||||||||
C..若x<
| D.若x<
|
A.0.56<log0.56<60.5 | B.0.56<60.5<log0.56 |
C.log0.56<60.5<0.56 | D.log0.56<0.56<60.5 |
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