77 加法 71 等于多少？

77 + 70 = 147 77 + 72 = 149 77 + 69 = 146 77 + 73 = 150 77 + 74 = 151 77 + 68 = 145 77 + 75 = 152 77 + 67 = 144 76 + 71 = 147 78 + 71 = 149 75 + 71 = 146 79 + 71 = 150 74 + 71 = 145 80 + 71 = 151 73 + 71 = 144 81 + 71 = 152 48 + 100 = 148 49 + 99 = 148 50 + 98 = 148 51 + 97 = 148 52 + 96 = 148 53 + 95 = 148 86 + 51 = 137 91 + 32 = 123 29 + 23 = 52 21 + 96 = 117 86 + 21 = 107 62 + 28 = 90 2 × 74 = 148 74 × 2 = 148