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
1,2,3,4,5,6,7,<span><span>8</span></span>