1 |
a |
1 |
b |
A.1 | B.2 | C.3 | D.4 |
1 |
a |
1 |
b |
A.a2>ab>b2 | B.ac2<bc2 | C.
| D.
|
3 |
2 |
6 |
5 |
7 |
6 |
A.a>b>c | B.b>c>a | C.c>a>b | D.a>c>b |
A.
| B.
| ||||||||
C.|a|>|b| | D.(
|
A.Sn>na1>nan | B.na1>nan>Sn | C.na1>Sn>nan | D.nan>na1>Sn |
A.|x+y|+|x-y|>2 | B.x2+y2<1 | C.x+y<1 | D.xy+1>x+y |
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