79 加法 90 等于多少？

79 + 89 = 168 79 + 91 = 170 79 + 92 = 171 79 + 88 = 167 79 + 93 = 172 79 + 87 = 166 79 + 94 = 173 79 + 86 = 165 78 + 90 = 168 80 + 90 = 170 77 + 90 = 167 81 + 90 = 171 76 + 90 = 166 82 + 90 = 172 83 + 90 = 173 75 + 90 = 165 69 + 100 = 169 70 + 99 = 169 71 + 98 = 169 72 + 97 = 169 73 + 96 = 169 74 + 95 = 169 91 + 31 = 122 36 + 82 = 118 85 + 31 = 116 58 + 15 = 73 22 + 8 = 30 17 + 74 = 91 13 × 13 = 169 49 + 63 = 112