64 加法 80 等于多少？

64 + 79 = 143 64 + 81 = 145 64 + 78 = 142 64 + 82 = 146 64 + 83 = 147 64 + 77 = 141 64 + 84 = 148 64 + 76 = 140 65 + 80 = 145 63 + 80 = 143 66 + 80 = 146 62 + 80 = 142 67 + 80 = 147 61 + 80 = 141 68 + 80 = 148 60 + 80 = 140 44 + 100 = 144 45 + 99 = 144 46 + 98 = 144 47 + 97 = 144 48 + 96 = 144 49 + 95 = 144 39 + 21 = 60 53 + 37 = 90 6 + 18 = 24 72 + 62 = 134 85 + 42 = 127 9 + 67 = 76 2 × 72 = 144 9 × 16 = 144