(135-84)3 = 1353 - 843 = 405 - 252 = 153(90-43)10 = 9010 - 4310 = 900 - 430 = 470(60-15)12 = 6012 - 1512 = 720 - 180 = 540(164-97)9 = 1649 - 979 = 1476 - 873 = 603
(135-84)3 = 1353 - 843 = 405 - 252 = 153
(90-43)10 = 9010 - 4310 = 900 - 430 = 470
(60-15)12 = 6012 - 1512 = 720 - 180 = 540
(164-97)9 = 1649 - 979 = 1476 - 873 = 603