题目内容
若a=20.5,b=logπ3,c=log2sin,则
A.c>a>b
B.a>b>c
C.b>a>c
D.b>c>a
若a=20.5,b=logπ3,c=log20.5,则
a>b>c
b>a>c
c>a>b
b>c>a
若a=20.5,b=logπ3,,则
A.a>b>c
B.b>a>c
C.c>a>b
若a=20.5,b=logπ2,c=log2(1/e)则