75 12 = 75 (10 + 2) = 7510 + 752 = 750 + 150 = 900
12 75 = 900900 / 75 = 12900 / 12 = 7575 13 = 97575 11 = 82574 12 = 888
75 12 = 75 (10 + 2) = 7510 + 752 = 750 + 150 = 900
12 75 = 900
900 / 75 = 12
900 / 12 = 75
75 13 = 975
75 11 = 825
74 12 = 888