tolong ya kak... dikumpulin besok soalnya....

3. a) 1, 2, 3, 4, 6,
b) 7, 8 (mungkin)

4. ?


5 A = 1, 2, 3, 4
B = 4, 5, 6, 7
C= 6, 7, 8, 9

a) {4} u {6, 7} = {4, 6, 7}
b). {1, 2, 3, 4, 6, 7, 8, 9} n {1, 2, 3, 4, 5,
→ 6, 7} = → {1,2,3,4,6,7}



mungkin gitu jawabannya, maaf klo ada salah kata