tolong jawab pakai cara... ya....

K={2,4,6,8,10,12}
L={1,2,3,6,9,18}
M={4,5,6}
Jadi

(K-L)-M= ( {2,4,6,8,10,12}-{1,2,3,6,9,18}) - {4,5,6}
={4,8,10,12} - {4,5,6}
={8,10,12}



Maaf Kalau Salah:)