77 加法 78 等于多少？

77 + 77 = 154 77 + 79 = 156 77 + 76 = 153 77 + 80 = 157 77 + 75 = 152 77 + 81 = 158 77 + 74 = 151 77 + 82 = 159 76 + 78 = 154 78 + 78 = 156 75 + 78 = 153 79 + 78 = 157 74 + 78 = 152 80 + 78 = 158 73 + 78 = 151 81 + 78 = 159 55 + 100 = 155 56 + 99 = 155 57 + 98 = 155 58 + 97 = 155 59 + 96 = 155 60 + 95 = 155 48 + 99 = 147 81 + 59 = 140 86 + 69 = 155 68 + 72 = 140 58 + 76 = 134 57 + 47 = 104 5 × 31 = 155 31 × 5 = 155