Вправи 101 - 200 » 112

5 • 7 + 45 = 35 + 45 = 80; 5 • 3 – 6 = 15 – 6 = 9; 48 – 5 • 9 = 48 – 45 = 3; 56 + 5 • 5 = 56 + 25 = 81; 5 • (18 : 3) = 5 • 6 = 30; 5 • (24 : 3) = 5 • 8 = 40; (42 – 37) • 4 = 5 • 4 = 20; (91 – 86) • 2 = 5 • 2 = 10.