Вправи 301 - 400 » 316

24 : 8 + 9 = 3 + 9 = 12; 40 : 8 – 5 = 5 – 5 = 0; 56 : 8 + 12 = 7 + 12 = 19; 64 : 8 + 8 = 8 + 8 = 16; (48 : 8) • 3 = 6 • 3 = 18; (72 : 8) : 3 = 9 : 3 = 3.