跟着消防员爸爸学习C++编程与算法（请备注算法学习）
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| 464 + 772 = | 986 + 730 = | 206 + 172 = | 449 + 219 = |
| 459 + 360 = | 928 - 111 = | 126 - 124 = | 863 - 239 = |
| 969 + 271 = | 476 - 293 = | 450 - 146 = | 935 - 188 = |
| 652 + 164 = | 732 + 305 = | 860 + 759 = | 935 + 195 = |
| 126 + 954 = | 190 + 335 = | 476 + 562 = | 946 - 711 = |
| 753 + 176 = | 970 - 266 = | 459 - 203 = | 279 - 158 = |
| 989 - 591 = | 962 + 257 = | 201 + 985 = | 927 + 112 = |
| 373 + 545 = | 963 - 251 = | 988 + 597 = | 998 + 629 = |
| 136 - 124 = | 190 - 123 = | 860 - 656 = | 465 - 372 = |
| 206 - 108 = | 279 + 395 = | 653 - 139 = | 201 - 199 = |
| 374 - 235 = | 732 - 244 = | 987 - 721 = | 862 + 265 = |
| 945 + 750 = | 754 - 155 = | 136 + 704 = | 925 + 499 = |
| 999 - 628 = | 926 - 466 = |
消防员爸爸