71 加法 81 等于多少？

71 + 80 = 151 71 + 82 = 153 71 + 83 = 154 71 + 79 = 150 71 + 84 = 155 71 + 78 = 149 71 + 85 = 156 71 + 77 = 148 70 + 81 = 151 72 + 81 = 153 69 + 81 = 150 73 + 81 = 154 74 + 81 = 155 68 + 81 = 149 75 + 81 = 156 67 + 81 = 148 52 + 100 = 152 53 + 99 = 152 54 + 98 = 152 55 + 97 = 152 56 + 96 = 152 57 + 95 = 152 4 + 28 = 32 43 + 96 = 139 90 + 99 = 189 18 + 75 = 93 36 + 71 = 107 63 + 93 = 156 76 × 2 = 152 38 × 4 = 152