P={1,3,5,7},Q={2,3 4,5}, R={1,2,3,5} (PgabunganQ)irisan R

Diketahui =
P = {1,3,5,7}
Q = {2,3,4,5}
R = {1,2,3,5}

Ditanyakan =
(P∪Q)∩R

Penyelesaian =
(P∪Q)∩R = {1,2,3,4,5,7}∩R = {1,2,3,5}