64 加法 78 等于多少？

64 + 77 = 141 64 + 79 = 143 64 + 76 = 140 64 + 80 = 144 64 + 75 = 139 64 + 81 = 145 64 + 74 = 138 64 + 82 = 146 65 + 78 = 143 63 + 78 = 141 66 + 78 = 144 62 + 78 = 140 67 + 78 = 145 61 + 78 = 139 68 + 78 = 146 60 + 78 = 138 42 + 100 = 142 43 + 99 = 142 44 + 98 = 142 45 + 97 = 142 46 + 96 = 142 47 + 95 = 142 76 + 45 = 121 48 + 53 = 101 42 + 89 = 131 39 + 77 = 116 55 + 88 = 143 98 + 36 = 134 2 × 71 = 142 71 × 2 = 142