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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| 149 + 283 = | 394 + 379 = | 285 + 428 = | 191 + 359 = |
| 145 + 776 = | 287 + 137 = | 264 + 586 = | 421 + 489 = |
| 175 + 799 = | 269 + 451 = | 684 + 177 = | 577 + 293 = |
| 595 + 289 = | 334 + 577 = | 526 + 194 = | 373 + 179 = |
| 363 + 147 = | 492 + 138 = | 299 + 152 = | 476 + 268 = |
| 155 + 296 = | 498 + 269 = | 396 + 385 = | 265 + 687 = |
| 123 + 697 = | 388 + 332 = | 149 + 577 = | 486 + 159 = |
| 464 + 196 = | 566 + 147 = | 297 + 637 = | 295 + 476 = |
| 185 + 585 = | 188 + 578 = | 679 + 257 = | 357 + 199 = |
| 374 + 276 = | 556 + 397 = | 441 + 189 = | 439 + 481 = |
| 798 + 185 = | 197 + 415 = | 628 + 299 = | 388 + 425 = |
| 176 + 585 = | 587 + 167 = | 397 + 188 = | 138 + 385 = |
| 248 + 182 = | 298 + 518 = | 169 + 764 = | 299 + 277 = |
消防员爸爸