80 加法 78 等于多少？

80 + 77 = 157 80 + 79 = 159 80 + 76 = 156 80 + 80 = 160 80 + 75 = 155 80 + 81 = 161 80 + 74 = 154 80 + 82 = 162 79 + 78 = 157 81 + 78 = 159 78 + 78 = 156 82 + 78 = 160 83 + 78 = 161 77 + 78 = 155 84 + 78 = 162 76 + 78 = 154 58 + 100 = 158 59 + 99 = 158 60 + 98 = 158 61 + 97 = 158 62 + 96 = 158 63 + 95 = 158 42 + 84 = 126 38 + 8 = 46 78 + 71 = 149 50 + 71 = 121 50 + 61 = 111 57 + 52 = 109 2 × 79 = 158 79 × 2 = 158