Сторінки 41 - 60 » Стр.43 (2)

64 + 4 + 30 = 68 + 30 = 60 + 30 + 4 = 94 32 + 6 – 18 = 38 – 18 = 30 – 10 + 8 – 8 = 20 38 – 6 – 30 = 32 – 30 = 30 – 30 + 2 = 2 75 – 40 – 5 = 70 – 40 + 5 – 5 = 30 47 – 4 – 20 = 43 – 20 = 40 – 20 + 3 = 23 84 – 22 – 62 = 80 – 20 – 60 + 4 – 2 – 2 = 0 + 0 = 0