61 加法 80 等于多少？

61 + 79 = 140 61 + 81 = 142 61 + 78 = 139 61 + 82 = 143 61 + 83 = 144 61 + 77 = 138 61 + 84 = 145 61 + 76 = 137 60 + 80 = 140 62 + 80 = 142 59 + 80 = 139 63 + 80 = 143 58 + 80 = 138 64 + 80 = 144 65 + 80 = 145 57 + 80 = 137 41 + 100 = 141 42 + 99 = 141 43 + 98 = 141 44 + 97 = 141 45 + 96 = 141 46 + 95 = 141 60 + 57 = 117 7 + 39 = 46 57 + 71 = 128 9 + 24 = 33 9 + 69 = 78 66 + 18 = 84 47 × 3 = 141 3 × 47 = 141