log以3為底數(shù)18的對(duì)數(shù)減log以3為底數(shù)2的對(duì)數(shù)
log以3為底數(shù)18的對(duì)數(shù)減log以3為底數(shù)2的對(duì)數(shù)
數(shù)學(xué)人氣:556 ℃時(shí)間:2020-02-21 02:33:46
優(yōu)質(zhì)解答
log3(18)-log3(2)=log3(18/2)=log3(9)=2
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