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(天津卷)已知<< ,则
A.2b>2a>2c B.2a>2b>2c C.2c>2b>2a D.2c>2a>2b
已知loga<logb<logc,则
A.2a>2b>2c
B.2b>2a>2c
C.2c>2a>2b
D.2c>2b>2a
已知函数f(x)=|2x-1|,当a<b<时,有f(a)>f(c)>f(b),则下列结论正确的是
A.2-a<2c
B.2a>2b
C.2a+2c<0
D.2a+2c≥2
已知logb<loga<logc,则
2b>2a>2c
2a>2b>2c
2c>2b>2a
2c>2a>2b