3/2 log8(27) log9(25)比较大小
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3/2 log8(27) log9(25)比较大小
比较大小
比较大小
![3/2 log8(27) log9(25)比较大小](/uploads/image/z/19604865-57-5.jpg?t=3%2F2+log8%2827%29+log9%2825%29%E6%AF%94%E8%BE%83%E5%A4%A7%E5%B0%8F)
3/2=log8√(8*8*8)
√(8*8*8)<27
则3/2<log8(27)
3/2=log9√(9*9*9)
√(9*9*9)=27>25
3/2>log9(25)
log8(27)>3/2>log9(25)
说明√(8*8*8)是指根号下8的3次方啊
√(8*8*8)<27
则3/2<log8(27)
3/2=log9√(9*9*9)
√(9*9*9)=27>25
3/2>log9(25)
log8(27)>3/2>log9(25)
说明√(8*8*8)是指根号下8的3次方啊
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