68 加法 80 等于多少？

68 + 79 = 147 68 + 81 = 149 68 + 78 = 146 68 + 82 = 150 68 + 83 = 151 68 + 77 = 145 68 + 84 = 152 68 + 76 = 144 67 + 80 = 147 69 + 80 = 149 66 + 80 = 146 70 + 80 = 150 65 + 80 = 145 71 + 80 = 151 64 + 80 = 144 72 + 80 = 152 48 + 100 = 148 49 + 99 = 148 50 + 98 = 148 51 + 97 = 148 52 + 96 = 148 53 + 95 = 148 31 + 88 = 119 78 + 80 = 158 7 + 83 = 90 24 + 80 = 104 59 + 34 = 93 86 + 22 = 108 74 × 2 = 148 37 × 4 = 148