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Автор - kikjik

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Ответ

Проверено экспертом

Автор - sangers1959

Ответ:

Объяснение:

log₄(1/5)+log₄36+(1/2)*log₄(25/81)=log₄(1/5)+log₄36+(1/2)*log₄(5/9)²=

=log₄(1/5)+log₄36+log₄(5/9)=log₄((1/5)*36*(5/9))=log₄(1*36*5/(5*9))=

=log₄4=1.

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