ЧАСТИНА 1. Вправи 1 - 100 » 74
27 + 4 • 6 = 27 + 24 = 51; 4 • 9 – 7 = 36 – 7 = 29; 4 • (15 : 3) = 4 • 5 = 20; (12 – 8) • 8 = 4 • 8 = 32.
27 + 4 • 6 = 27 + 24 = 51; 4 • 9 – 7 = 36 – 7 = 29; 4 • (15 : 3) = 4 • 5 = 20; (12 – 8) • 8 = 4 • 8 = 32.