A.a(c2+1)<b(c2+1) | B.a-4<b-4 | ||
C.a-b<0 | D.
|
a |
b |
A.a-2>b-2 | B.-2a<-2b | C.2-a>2-b | D.m2a>m2b |
A.若a>b,则ac2>bc2 | B.若a>b,c=d则ac>bd | ||||
C.若ac2>bc2,则a>b | D.若a>b,c<d则
|
A.a-1>b-1 | B.2a>2b | C.-a+2<-b+2 | D.a2+1>b2+1 |
A.a-1>b-1 | B.2a>2b | C.-a+2<-b+2 | D.a2+1>b2+1 |
A.a>ab>ab2 | B.ab>ab2>a | C.ab>a>ab2 | D.ab>a>ab2 |
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