81 加法 94 等于多少？

81 + 93 = 174 81 + 95 = 176 81 + 92 = 173 81 + 96 = 177 81 + 91 = 172 81 + 97 = 178 81 + 98 = 179 81 + 90 = 171 80 + 94 = 174 82 + 94 = 176 83 + 94 = 177 79 + 94 = 173 84 + 94 = 178 78 + 94 = 172 85 + 94 = 179 77 + 94 = 171 75 + 100 = 175 76 + 99 = 175 77 + 98 = 175 78 + 97 = 175 79 + 96 = 175 80 + 95 = 175 21 + 29 = 50 17 + 58 = 75 72 + 70 = 142 71 + 77 = 148 48 + 45 = 93 34 + 46 = 80 25 × 7 = 175 35 × 5 = 175