24 + 3 = 27 24 - 3=19 24 * 3 = 72
83 + 1 = 84 83 - 1 = 82 83 * 1 = 83
48 + 2 = 50 48 - 2 = 46 48 * 2 = 96
24 : 3 = 8
83 : 1 = 83
48 : 2 = 24
13 : 6 = 13/6 = 2 1/6
9 : 2 = 9/2 = 4 1/2 = 4,5
27 : 5 = 27/5 = 5 2/5 = 5,4
15 : 14 = 15/14 = 1 1/14
542
379
___
911 ..............
32/4*3=24(ч)-катались на лыжах
1) <span>39 23/24+14 15/16=53 46/48+45/48=53 91/48=
2) </span>78 37/48+54 43/48=132 80/48=133 32/48=133 2/3