设a=0.32,b=20.3,c=log25,d=log20.3,则a,b,c,d的大小关系是_____

a0.32b20.3clog25dlog20.3,则abcd的大小关系是__________(从小到大排列)

答案

解析:a0.32(01)b20.3(12)clog25(23)dlog20.3(10)d<a<b<c.

答案:d<a<b<c

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