Сторінки 41 - 60 » Стр.52-(3)

73 – 28 = 73 – 20 – 8 = 53 – 3 – 5 = 50 – 5 = 45 94 – 39 = 94 – 30 – 9 = 64 – 9 = 64 – 4 – 5 = 60 – 5 = 55 71 – 24 = 71 – 20 – 4 = 51 – 4 = 51 – 1 – 3 = 50 – 3 = 47 53 – 47 = 53 – 40 – 7 = 13 – 7 = 13 – 3 – 4 = 10 – 4 = 6 64 – 36 = 64 – 30 – 6 = 34 – 6 = 34 – 4 – 2 = 30 – 2 = 28 55 – 27 = 55 – 20 – 7 = 35 – 7 = 35 – 5 – 2 = 30 – 2 = 28 44 – 17 = 44 – 10 – 7 = 34 – 7 = 34 – 4 – 3 = 30 – 3 = 27 75 – 57 = 75 – 50 – 7 = 25 – 7 = 25 – 5 – 2 = 20 – 2 = 18