В) 49 + 37.4 = 86.486.4 / 2.5 = 34.5634.56 - 3.7 = 30.86Г) 37 - 4.9 = 32.132.1 / 2.4 = 13.3755.8 + 13.375 = 19.175
В) 49 + 37.4 = 86.4
86.4 / 2.5 = 34.56
34.56 - 3.7 = 30.86
Г) 37 - 4.9 = 32.1
32.1 / 2.4 = 13.375
5.8 + 13.375 = 19.175