Вычеслить значение выражений 5 + ( 50-20 ) - 6 20+(78-6) 70-(56-9+5) 8+(25+5-8)

5 + (50 - 20) - 6 = 5 + 30 - 6 = 35 - 6 = 29
20 + (78 - 6) = 20 + 72 = 92
70 - (56 - 9 + 5) = 70 - (47 + 5) = 70 - 52 = 18
8 + (25 + 5 - 8) = 8 + (30 - 8) = 8 + 22 = 30