325 + 287 =, 103 + 582 =, 278 + 642 =, 534 + 389 =, 196 + 188 =, 219 + 320 =, 412 + 376 =, 145 + 628 =, 267 + 451 =, 583 + 214 =, 194 + 507 =, 326 + 418 =, 731 + 168 =, 250 + 349 =, 486 + 127 =, 364 + 255 =

Three-digit addition problems

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