84 加法 40 等于多少？

84 + 39 = 123 84 + 41 = 125 84 + 38 = 122 84 + 42 = 126 84 + 37 = 121 84 + 43 = 127 84 + 44 = 128 84 + 36 = 120 83 + 40 = 123 85 + 40 = 125 82 + 40 = 122 86 + 40 = 126 87 + 40 = 127 81 + 40 = 121 88 + 40 = 128 80 + 40 = 120 24 + 100 = 124 25 + 99 = 124 26 + 98 = 124 27 + 97 = 124 28 + 96 = 124 29 + 95 = 124 16 + 9 = 25 6 + 4 = 10 59 + 17 = 76 96 + 82 = 178 56 + 35 = 91 79 + 11 = 90 4 × 31 = 124 31 × 4 = 124