(24 - 4) -> (20 - 4) -> (16 - 4) -> (12 - 4)
-> (8 - 4) -> (4 - 4)
=> 24 : 4 = 6
(5 - 1) -> (4 - 1) -> (3 - 1) -> (2 - 1) -> (1 - 1)
=> 5 : 1 = 5
(30 - 10) -> (20 - 10) -> (10 - 10)
=> 30:10 = 3
(92 - 46) -> (46 - 46)
=> 92:46 = 2
(848 - 212) -> (636 - 212) -> (424 - 212) -> (212 - 212)
=> 848 : 212 =4
(642 - 321) -> (321 - 321)
=> 642 - 321 = 2