Вправи 101 - 200 » 106

5 • 5 + 25 = 25 + 25 = 50; 5 • (3 • 5) = 5 • 6 = 30; 5 • 8 – 24 = 40 – 24 = 16; 5 • 2 – 10 = 10 – 10 = 0; 17 + 5 • 9 = 17 + 45 = 62; 60 – 5 • 4 = 60 – 20 = 40; 5 • (11 – 8) = 5 • 3 = 15; 5 • (16 – 9) = 5 • 7 = 35.