80 加法 77 等于多少？

80 + 76 = 156 80 + 78 = 158 80 + 75 = 155 80 + 79 = 159 80 + 74 = 154 80 + 80 = 160 80 + 73 = 153 80 + 81 = 161 79 + 77 = 156 81 + 77 = 158 78 + 77 = 155 82 + 77 = 159 83 + 77 = 160 77 + 77 = 154 84 + 77 = 161 76 + 77 = 153 57 + 100 = 157 58 + 99 = 157 59 + 98 = 157 60 + 97 = 157 61 + 96 = 157 62 + 95 = 157 51 + 95 = 146 79 + 4 = 83 63 + 92 = 155 37 + 44 = 81 34 + 81 = 115 42 + 60 = 102 91 + 90 = 181 97 + 99 = 196