Ответ:\(40 + 5 = 45\)\(26 + 2 = 28\)\(76 - 70 = 6\)\(60 - 40 = 20\)\(30 + 20 = 50\)\(70 + 13 = 83\)\(28 - 8 = 20\)\(37 - 6 = 31\)