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Calculați a)1/7+2/7+47 b)1/63+363+5/63 c)17/152+49/152+86+152 d)29/77-13/77-5/77 e)11/4-1/4-3/4-5/4 f)137/371-35/371-49/371-61/137 va rog acum urgent!!!!!!!!!!​

Calculați A172747 B163363563 C171524915286152 D29771377577 E114143454 F137371353714937161137 Va Rog Acum Urgent class=