\(56 : 4 = (40 + 16) : 4 = 10 + 4 = 14\).
\(38 : 2 = (20 + 18) : 2 = 10 + 9 = 19\).
\(81 : 3 = (60 + 21) : 3 = 20 + 7 = 27\).
\(90 : 6 = 15\).
\(90 : 5 = 18\).
\(48 : 4 = 12\).