870900 - 607698 = 7647 + 98769 + 6585 = 9869 + 53322 + 7609= 503980 - 334587= 456×604= 76×4587= 290034 : 786= 352575 : 225 =
870900 - 607698 =263202 7647 + 98769 + 6585 =113001 9869 + 53322 + 7609=70800 503980 - 334587=169393 456×604=275424 76×4587=348612 290034 : 786=369 352575 : 225 =1567
263202 113001 70800 272424 348612 369 1567