(148+245) – 45 = 393 - 45 = 348(473+132) – 173 = 605 - 173 = 432843 – (154 + 243) = 843 - 397 = 446894 – (394 + 148) = 894 - 542 = 352756 + 341 - (340 +1+ 356 + 199) = 1097 - 896 = 201
(148+245) – 45 = 393 - 45 = 348
(473+132) – 173 = 605 - 173 = 432
843 – (154 + 243) = 843 - 397 = 446
894 – (394 + 148) = 894 - 542 = 352
756 + 341 - (340 +1+ 356 + 199) = 1097 - 896 = 201