kakak tolong bantu besok di kumpul kan dengan caranya plisss....

a.
S={-10,-9,-8,-7,-6,-5,-4,-3,-2,-1,0,1,2,3,4,5,6,7,8,9,10}
P={-5,-4,-3,-2,-1,0,1,2,3,4,5}
Q={-8,-7,-6,-5,-4,-3,-2,-1,0,1,2}
R={-2,-1,0,1,2,3,4,5,6,7,8}

b.
PuQ
={-5,-4,-3,-2,-1,0,1,2,3,4,5}u{-8,-7,-6,-5,-4,-3,-2,-1,0,1,2}
={-8,-7,-6,-5,-4,-3,-2,-1,0,1,2,3,4,5}

PuR
={-5,-4,-3,-2,-1,0,1,2,3,4,5}u{-2,-1,0,1,2,3,4,5,6,7,8}
={-5,-4,-3,-2,-1,0,1,2,3,4,5,6,7,8}

QuR
={-8,-7,-6,-5,-4,-3,-2,-1,0,1,2}u{-2,-1,0,1,2,3,4,5,6,7,8}
={-8,-7,-6,-5,-4,-3,-2,-1,0,1,2,3,4,5,6,7,8}

PuQuR
={-5,-4,-3,-2,-1,0,1,2,3,4,5}u{-8,-7,-6,-5,-4,-3,-2,-1,0,1,2}u{-2,-1,0,1,2,3,4,5,6,7,8}
={-8,-7,-6,-5,-4,-3,-2,-1,0,1,2,3,4,5,6,7,8}

maaf kalo sala