Հաշվի՛ր: 60 + 10 = 70 60 + 5 = 65 60 + 15 = 75 30 + 20 = 50 30 + 9 = 39 30 + 29 = 59 70 – 10 =60 70 – 3 = 67 70 – 13 = 57 40 – 20 = 20 40 – 8 = 32 […]
Հաշվի՛ր: 60 + 10 = 70 60 + 5 = 65 60 + 15 = 75 30 + 20 = 50 30 + 9 = 39 30 + 29 = 59 70 – 10 =60 70 – 3 = 67 70 – 13 = 57 40 – 20 = 20 40 – 8 = 32 […]