toling di jawab sekarang ...

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. P irisan Q = {0,1,2}
P irisan R = {0,1,2,3,4,5}
Q irisan R = {-1,0,1,2}
P irisan Q irisan R = {0,1,2}

c. di foto