помогите пожалуйста)
log1/3(7/9)-log1/3(7/3)
По свойству логарифмов: log1/3(7/9)-log1/3(7/3)=log1/3((7/9)/(7/3))=log1/3(3/9)=log1/3(1/3)=1
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По свойству логарифмов: log1/3(7/9)-log1/3(7/3)=log1/3((7/9)/(7/3))=log1/3(3/9)=log1/3(1/3)=1