👤

Calculați: a) (2³.5).(2.5²); b) 2. (23.5); c) (2.32) (3.2²); d) (2².3.5) (2.3²); e) (2³.5)-(3-5.7);) (3³·5².7) (2.5.3²); g) (5².2.3). (2.3².7).​