2/7 + 3/7 = 5/72/3 + 2/9 = 6/9 + 2/9 = 8/93/5 + 3/7 = 21/35 + 15/35 = 36/351/6 + 3/8 = 4/24 + 9/24 = 13/24
Целая часть числа 17/5 = 3, целая часть числа 10/6 = 1
а) 3 целых 7/10 км = 31000 + 7100/10 = 3000 + 700/10 = 3000 + 70 = 3070 метровб) 2 целых 1/3 ч = 260 + 1/360 = 120 + 20 = 140 минут
а) 5 + 7/9 = 5 + 0.777... = 5.777...б) 3 целых 3/4 + 1 целой 1/2 = 3 + 0.75 + 1 + 0.5 = 4.25
2/7 + 3/7 = 5/7
2/3 + 2/9 = 6/9 + 2/9 = 8/9
3/5 + 3/7 = 21/35 + 15/35 = 36/35
1/6 + 3/8 = 4/24 + 9/24 = 13/24
Целая часть числа 17/5 = 3, целая часть числа 10/6 = 1
а) 3 целых 7/10 км = 31000 + 7100/10 = 3000 + 700/10 = 3000 + 70 = 3070 метров
б) 2 целых 1/3 ч = 260 + 1/360 = 120 + 20 = 140 минут
а) 5 + 7/9 = 5 + 0.777... = 5.777...
б) 3 целых 3/4 + 1 целой 1/2 = 3 + 0.75 + 1 + 0.5 = 4.25