78 加法 80 等于多少？

78 + 79 = 157 78 + 81 = 159 78 + 78 = 156 78 + 82 = 160 78 + 83 = 161 78 + 77 = 155 78 + 84 = 162 78 + 76 = 154 77 + 80 = 157 79 + 80 = 159 76 + 80 = 156 80 + 80 = 160 75 + 80 = 155 81 + 80 = 161 74 + 80 = 154 82 + 80 = 162 58 + 100 = 158 59 + 99 = 158 60 + 98 = 158 61 + 97 = 158 62 + 96 = 158 63 + 95 = 158 68 + 28 = 96 53 + 90 = 143 94 + 40 = 134 62 + 77 = 139 37 + 72 = 109 39 + 45 = 84 2 × 79 = 158 79 × 2 = 158