х - 256873 = 482369х = 482369 + 256873х = 739242----------------------------------------739242 - 256873 = 482369 482369 = 482369х + 156897 = 689324х = 689324 - 156897х = 532427-----------------------------------------532427 + 156897 = 689324 689324 = 689324234651 + х = 852134х = 852134 - 234651х = 617483-----------------------------------------234651 + 617483 = 852134 852134 = 852134756981 - х = 325647х = 756981 - 325647х = 431334----------------------------------------756981 - 431334 = 325647 325647 = 325647х : 28 = 35687х = 35687 * 28х = 999236---------------------------------999236 : 28 = 35687 35687 = 35687х * 18 = 51372х = 51372 : 18х = 2854------------------------------2854 * 18 = 51372 51372 = 5137215 * х = 12645х = 12645 : 15х = 843------------------------------15 * 843 = 12645 12645 = 1264521228 : х = 12х = 21228 : 12х = 1769------------------------------21228 : 1769 = 12 12 = 12