56 加法 87 等于多少？

56 + 86 = 142 56 + 88 = 144 56 + 85 = 141 56 + 89 = 145 56 + 84 = 140 56 + 90 = 146 56 + 83 = 139 56 + 91 = 147 55 + 87 = 142 57 + 87 = 144 58 + 87 = 145 54 + 87 = 141 59 + 87 = 146 53 + 87 = 140 60 + 87 = 147 52 + 87 = 139 43 + 100 = 143 44 + 99 = 143 45 + 98 = 143 46 + 97 = 143 47 + 96 = 143 48 + 95 = 143 72 + 78 = 150 88 + 53 = 141 99 + 74 = 173 89 + 74 = 163 79 + 47 = 126 74 + 39 = 113 11 × 13 = 143 13 × 11 = 143