А) 30.970/38=0,815 б) 142593/33=4321 в) 5154324/903=5708 г) 74500000/3500=745000/35=21286
спс
30.970:38 = 0,815 142593:33 = 4321 5154324:903 = 5708 74500000:3500 = 21285.7143