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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| 425 + 289 = | 198 + 488 = | 155 + 287 = | 194 + 168 = |
| 379 + 586 = | 484 + 247 = | 693 + 187 = | 564 + 257 = |
| 695 + 277 = | 173 + 399 = | 189 + 178 = | 389 + 432 = |
| 659 + 252 = | 697 + 168 = | 779 + 148 = | 299 + 565 = |
| 365 + 475 = | 683 + 127 = | 578 + 295 = | 265 + 276 = |
| 167 + 578 = | 142 + 298 = | 168 + 745 = | 174 + 398 = |
| 266 + 269 = | 198 + 596 = | 584 + 297 = | 459 + 188 = |
| 534 + 296 = | 229 + 299 = | 588 + 325 = | 123 + 798 = |
| 146 + 674 = | 552 + 369 = | 365 + 347 = | 461 + 289 = |
| 299 + 637 = | 386 + 499 = | 226 + 698 = | 135 + 777 = |
| 163 + 278 = | 291 + 349 = | 454 + 356 = | 676 + 256 = |
| 158 + 198 = | 439 + 299 = | 377 + 544 = | 499 + 225 = |
| 575 + 166 = | 477 + 335 = | 774 + 136 = | 172 + 388 = |
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