6. Найди значения выражений в +20, 14+ b, 80-ь и 6-9 при b = 70, b = 23 и b = 11.

1) b + 20 b = 70, 70 + 20 = 90 b = 23, 23 + 20 = 43 b = 11, 11 + 20 = 31 2) 14 + b b = 70, 14 + 70 = 84 b = 23, 14 + 23 = 37 b = 11, 14 + 11 = 25 3) 80 - b b = 70, 80 - 70 = 10 b = 23, 80 - 23 = 57 b = 11, 80 - 11 = 69 4) b - 9 b = 70, 70 - 9 = 61 b = 23, 23 - 9 = 14 b = 11, 11 - 9 = 2 Ответ: 1) 90, 43, 31 2) 84, 37, 25 3) 10, 57, 69 4) 61, 14, 2