tolong yg jago mtk,,,,,,,... .......

Semoga bermanfaat. Maaf kalau salah.

A = {1,3,5,7}
B = {1,2,3,4}
C = {2,3,5,8}

B gabungan C = {1,2,3,4,5,8}

A irisan (B gabungan C) = {1,3,5}