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Calculează, folosind regula (a")" = a"-": b) (2³)5; f) (34)5: (9³)2, a) (53)0; e) (730)0. (495)3: (76)5; c) (130) 50; g) (21³)5: (212); d) (25)³ (2³)5: (2³) 10. h) (23)5 (4³)5: (8³)4. Ajuutooor​