Вправи 101 - 201 » 198

64 + 4 ● 9 = 64 + 36 = (60 + 30) + 4 + 6 = 90 + 10 = 100 100 – 8 ● 4 = 100 – 32 = 100 – 30 – 2 = 68 0 ● (56 + 33) : 4 = 0 ● 89 : 4 = 0 36 : (2 ● 2) : 3 = 36 : 4 : 3 = 9 : 3 = 3