若a=0.53.4、b=log0.54.3、c=log0.56.7,则a,b,c的大小关系是______.
题型:填空题难度:简单来源:不详
若a=0.53.4、b=log0.54.3、c=log0.56.7,则a,b,c的大小关系是______. |
答案
∵y=0.5x是减函数,∴0<a=0.53.4<0.50=1, ∵y=log0.5x是减函数, ∴c=log0.56.7<b=log0.54.3<0, 故c<b<a. 故答案为:c<b<a. |
举一反三
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