Tolong bantu, harus dikumpul sekarang​

Jawaban:

26. b. {2,3,4,5,6,7,8,)

27. d. {1,2,3,5,7,9}

28. a. {a, b, u}

Penjelasan dengan langkah-langkah:

26. P= {1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16}

Q= {2,3,4,5,6,7,8}

P irisan Q= {2,3,4,5,6,7,8}

27. A= {2,3,5,7}

B= {1,3,5,7,9}

A U B= {1,2,3,5,7,9}

28. A= {a, b, d, u}

B= {d, e, g, j}

A – B = {a, b, u}