Найдите сумму 1/3+1/6+1/18,1/2+1/5+3/7,1/2+1/3+3\5

Question

Найдите сумму 1/3+1/6+1/18,1/2+1/5+3/7,1/2+1/3+3\5

Answer 1

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Comments

спасибо