Предмет: Алгебра, автор: ТвоuDruгAN

Помогите пожалуйста с 7 заданием 8 класс заранее спасибо!!!) 98 баллов!!!

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Автор ответа: igorShap

$\frac{1}{C}= \frac{1}{C_1}+\frac{1}{C2} => \frac{1}{C_1}=\frac{1}{C}-\frac{1}{C_2}=>\frac{1}{C_1}=\frac{C_2-C}{C_2C}=>C_1=\frac{C_2C}{C_2-C}$

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