A.ab<0 | B.a2<b2 | C.)|a|<|b| | D.
|
1 |
-b |
1 |
-a |
1 |
a |
1 |
b |
A.
| B.ab<b2 | C.-ab<-a2 | D.-
|
A.ac>bc | B.
| C.a2>b2 | D.a3>b3 |
A.x>z>y | B.y>x>z | C.z>y>x | D.x>y>z |
16π |
5 |
A.a>b>c | B.a>c>b | C.b>a>c | D.c>b>a |
A.a|c|>b|c| | B.ab>ac | C.a-|c|>b-|c| | D.
|
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