437 + 324 =
761
762 - 395 =
367
395 + 367 =
762
287 - 193 =
94
532 + 181 =
713
532 - 181 =
351
528 + 357 =
885
1,000 - 438 =
562
571 + 287 =
858
904 - 458 =
446