A.a-3>b-3 | B.-
| C.-2a<-2b | D.-2+a<-2+b |
a |
2 |
b |
2 |
A.a+1<b+1 | B.a-c<b-c | C.0.5a<0.5b | D.-a<-b |
A.3a<3b | B.ac>bc | C.-a<-b | D.a-1<b-1 |
A.4a<4b | B.a-4<b-4 | C.a+4<b+4 | D.-4a<-4b |
A.y<-x | B.x-y<0 | C.x+y>0 | D.m2x>-m2y |
A.2a-3>2b-3 | B.2-a<2-b | C.3a-3b+1>0 | D.a2>b2 |
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