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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| 103 + 389 = | 992 - 691 = | 474 - 268 = | 452 + 838 = |
| 879 - 242 = | 404 + 282 = | 300 + 467 = | 408 - 186 = |
| 878 + 264 = | 843 - 659 = | 810 - 765 = | 776 + 331 = |
| 350 - 321 = | 353 + 977 = | 861 - 315 = | 809 + 943 = |
| 851 - 154 = | 887 + 416 = | 404 - 161 = | 980 - 239 = |
| 326 + 518 = | 672 - 648 = | 244 + 687 = | 155 - 114 = |
| 979 + 242 = | 450 + 986 = | 277 + 427 = | 473 + 505 = |
| 326 - 205 = | 147 - 138 = | 118 + 380 = | 860 + 354 = |
| 355 - 116 = | 147 + 829 = | 405 - 215 = | 371 + 793 = |
| 648 + 866 = | 398 - 266 = | 354 - 347 = | 950 - 330 = |
| 134 + 194 = | 118 - 105 = | 570 + 667 = | 350 + 896 = |
| 155 - 141 = | 116 + 100 = | 523 - 306 = | 743 + 883 = |
| 929 - 743 = | 810 + 332 = | 671 + 962 = | 570 - 396 = |
| 450 - 444 = | 155 + 339 = | 888 - 376 = | 116 - 100 = |
| 576 + 618 = | 649 - 567 = | 857 - 502 = | 407 + 353 = |
| 371 - 308 = | 777 - 274 = | 300 - 181 = | 842 + 777 = |
| 856 + 577 = | 592 - 213 = | 850 + 165 = | 161 + 519 = |
| 134 - 103 = | 785 - 306 = | 949 + 343 = | 992 + 696 = |
| 959 + 232 = | 960 - 226 = | 981 + 698 = | 155 + 783 = |
| 846 + 997 = | 897 - 830 = | 522 + 539 = | 685 - 158 = |
| 453 - 389 = | 591 + 307 = | 404 + 440 = | 982 - 686 = |
| 928 + 799 = | 245 - 194 = | 847 - 844 = | 811 - 283 = |
| 897 + 924 = | 743 - 659 = | 355 + 157 = | 277 - 164 = |
| 581 - 333 = | 684 + 189 = | 103 - 100 = | 581 + 537 = |
| 577 - 374 = | 161 - 128 = | 784 + 371 = | 397 + 603 = |
消防员爸爸