Jawabanmu

2014-06-18T10:33:29+07:00
{4}C+{8,9)
{1,2,3,5,6,7,8,9,10)+{8,9}
{1,2,3,5,6,7,8,9,10}
Jadi, anggota (P irisan Q) C + R={1,2,3,5,6,7,8,9,10)