Kunci Jawaban Matematika Kelas 7 Halaman 158, 159 Ayo Kita Berlatih 2.8
1. Diketahui himpunan A ={1, 2, 3, 4, 5, 6, 7, 8}, himpunan B = {1, 3, 5, 7}, C = {1, 2, 3, 4}, himpunan D = {4, 5, 6, 7}, tentukan anggota dari
Jawaban :
a) A ∪ B ={1, 2, 3, 4, 5, 6, 7, 8}
b) A ∪ C ={1, 2, 3, 4, 5, 6, 7, 8}
c) A ∪ D ={1, 2, 3, 4, 5, 6, 7, 8}
d) B ∪ C ={1, 2, 3, 4, 5, 6, 7}
e) B ∪ D ={1, 3, 4, 5, 6, 7}
f) C ∪ D ={1, 2, 3, 4, 5, 6, 7}