设log(18)(9)=a log(18)(5)=b ,用ab表示log(36)(45)
设log(18)(9)=a log(18)(5)=b ,用ab表示log(36)(45)
设log(18)(9)=a log(18)(5)=b ,用ab表示log(36)(45)
设log(18)(9)=a log(18)(5)=b ,用ab表示log(36)(45)
数学人气：545 ℃时间：2020-02-22 17:29:27
优质解答
log18(9)=log9（9）/log9(18)=1/【log9(2)+1】=alog9（2）=1/a-118^b=5log18(5)=b=log9(5)/log9(18)log9(5)=b【log9（18）】=b/alog36(45)=log9(45)/log9(36)=【log9(5)+1】/【2log9（2）+1】=【b/a+1】/【2/a-2+1】...
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