pliss bantu aku yak :) no12 sama 13

12.b{0,1,2},13.c.{1,2,3,4,5}

12.A={0,1,2}
B={1,2,3,4,5}
A irisan B
{1,2}
jadi jawabannya A.{1,2}

13.S={1,2,3,4,5,6,7,8,9,10}
A={1,2,3,4,5}
B={4,5,6,7,8}
A komplemen c gabung B
-A={6,7,8,9,10}
-B={4,5,6,7,8}
A gabung B={4,5,6,7,8,9,10}
jadi jawabannya b.{4,5,6,7,8,9,10}

semoga membantu.....
maaf kl slh