TOLONG BANTU DONG YG NO-3 INI…PLISS

A.
p={0,1,2,3,4,5}
Q={-2,-1,0,1,2}
R={-1,0,1,2,3,4,5,6}
S={-3,-2,-1,0,1,2,3,4,5,6,7}
b.
P n Q={0,1,2}
P n R={0,1,2,3,4,5}
Q n R={-1,0,1,2}
P n Q n R={0,1,2}