78 加法 90 等于多少？

78 + 89 = 167 78 + 91 = 169 78 + 92 = 170 78 + 88 = 166 78 + 93 = 171 78 + 87 = 165 78 + 94 = 172 78 + 86 = 164 77 + 90 = 167 79 + 90 = 169 76 + 90 = 166 80 + 90 = 170 75 + 90 = 165 81 + 90 = 171 74 + 90 = 164 82 + 90 = 172 68 + 100 = 168 69 + 99 = 168 70 + 98 = 168 71 + 97 = 168 72 + 96 = 168 73 + 95 = 168 76 + 43 = 119 62 + 29 = 91 80 + 42 = 122 77 + 82 = 159 40 + 69 = 109 90 + 71 = 161 12 × 14 = 168 84 × 2 = 168