76 加法 80 等于多少？

76 + 79 = 155 76 + 81 = 157 76 + 78 = 154 76 + 82 = 158 76 + 83 = 159 76 + 77 = 153 76 + 84 = 160 76 + 76 = 152 75 + 80 = 155 77 + 80 = 157 74 + 80 = 154 78 + 80 = 158 73 + 80 = 153 79 + 80 = 159 80 + 80 = 160 72 + 80 = 152 56 + 100 = 156 57 + 99 = 156 58 + 98 = 156 59 + 97 = 156 60 + 96 = 156 61 + 95 = 156 96 + 90 = 186 18 + 15 = 33 91 + 21 = 112 17 + 3 = 20 2 + 69 = 71 99 + 30 = 129 26 × 6 = 156 2 × 78 = 156