55 加法 87 等于多少？

55 + 86 = 141 55 + 88 = 143 55 + 85 = 140 55 + 89 = 144 55 + 84 = 139 55 + 90 = 145 55 + 83 = 138 55 + 91 = 146 56 + 87 = 143 54 + 87 = 141 57 + 87 = 144 53 + 87 = 140 58 + 87 = 145 52 + 87 = 139 59 + 87 = 146 51 + 87 = 138 42 + 100 = 142 43 + 99 = 142 44 + 98 = 142 45 + 97 = 142 46 + 96 = 142 47 + 95 = 142 67 + 73 = 140 46 + 77 = 123 18 + 82 = 100 14 + 97 = 111 77 + 63 = 140 35 + 89 = 124 2 × 71 = 142 71 × 2 = 142