Вправи 101 - 200 » 133

4 • 8 + 5 • 7 = 32 + 35 = 67; 3 • 7 + 2 • 8 = 21 + 16 = 37; 5 • 9 – 3 • 9 = 45 – 27 = 18; 2 • 9 – 4 • 4 = 18 – 16 = 2; 36 : 4 + 12 : 3 = 9 + 4 = 13; 28 : 4 – 15 : 3 = 7 – 5 = 2.