Предмет: Алгебра, автор: Аленка050297

Действия с корнями. Один пример, задание во вкладыше.
Решение с объяснениями.

Приложения:

Ответы

Автор ответа: lenalviv
1
=3^(1/28)*3*3^(1/21)*3^(-1/12)=3^(1/28+1+1/21-1/12)=3^(84/84)=3^1=3

Аленка050297: Спасибо)
Аленка050297: Можешь помочь еще с этим http://znanija.com/task/11843180 ?
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