tolong bantu ya:) jgn lupa pake cara yaaa, please bgt besok dikumpulin soalnya:)

a). S={-3,-2,-1,0,1,2,3,4,5,6}
P={0,1,2,3,4,5}
Q={-2,-1,0,1,2}
R={-1,0,1,2,3,4,5,6,7,8}
b). PnQ = {1,2}
PnR = {0,1,2,3,4,5}
QnR={-1,0,1,2}
PnQnR= {0,1,2}
c). silahkan ikuti penjabaran b).
trims