高中数学代数与函数一其他练习题143
题目内容

已知0<a<1,x=logahttp://picflow.koolearn.com/upload/papers/g02/20120905/20120905105750891758.png+logahttp://picflow.koolearn.com/upload/papers/g02/20120905/20120905105750922752.png,y=http://picflow.koolearn.com/upload/papers/g02/20120905/20120905105750951580.pngloga5,z=logahttp://picflow.koolearn.com/upload/papers/g02/20120905/20120905105750981914.png﹣logahttp://picflow.koolearn.com/upload/papers/g02/20120905/20120905105751011752.png,则 

2021-07-21

A.x>y>z

B.z>y>x

C.y>x>z

D.z>x>y

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