1 |
a |
1 |
b |
1 |
c |
A.[0,
| B.[
| C.[1,8) | D.[8,+∞) |
1 |
a |
1 |
b |
1 |
c |
1-a |
a |
1-b |
b |
1-c |
c |
(b+c)(c+a)(a+b) |
abc |
2
| ||||||
abc |
A.lg(1+a2)>0 | B.
| ||||
C.a2+3ab>2b2 | D.a2+b2≥2(a-b-1) |
1 |
a |
1 |
b |
ab |
A.2 | B.2
| C.4 | D.5 |
1 |
a-2 |
A.p>q | B.p<q | C.p≥q | D.p≤q |
8 |
x |
3 |
A.
| B.
| C.2
| D.2
|
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