78 加法 77 等于多少？

78 + 76 = 154 78 + 78 = 156 78 + 75 = 153 78 + 79 = 157 78 + 74 = 152 78 + 80 = 158 78 + 73 = 151 78 + 81 = 159 77 + 77 = 154 79 + 77 = 156 76 + 77 = 153 80 + 77 = 157 75 + 77 = 152 81 + 77 = 158 74 + 77 = 151 82 + 77 = 159 55 + 100 = 155 56 + 99 = 155 57 + 98 = 155 58 + 97 = 155 59 + 96 = 155 60 + 95 = 155 59 + 51 = 110 29 + 99 = 128 55 + 96 = 151 99 + 91 = 190 98 + 17 = 115 88 + 15 = 103 5 × 31 = 155 31 × 5 = 155