跟着消防员爸爸学习C++编程与算法（请备注算法学习）
欢迎咨询
| 344 - 207 = | 653 + 205 = | 843 - 210 = | 386 + 504 = |
| 331 - 122 = | 484 - 438 = | 115 - 101 = | 386 - 228 = |
| 884 - 274 = | 331 + 188 = | 917 - 505 = | 344 + 497 = |
| 229 + 653 = | 923 - 708 = | 490 + 161 = | 421 - 384 = |
| 432 + 138 = | 319 + 119 = | 700 + 292 = | 115 + 210 = |
消防员爸爸