tolong dong isi lagi gak tw kerja nich

a.S {1,2,3,4,5,6,7,8,9,10}
P {1,2,3,4,5}
Q {1,2}
R {1,2,3,4,5,6,7,8}
b.PUQ:{1,2,3,4,5,}
PUR:{1,2,3,4,5,6,7,8}
QUR:{1,2,3,4,5,6,7,8}
PUQUR:{1,2,3,4,5,6,7,8}
c.
d{1,2,3,4,5,6,7,8}