Irma Mntr
Diketahui A = {1, 2, 3, 5, 7, 12, 15, 19} dan B= {x| x ≤ 20, x bilangan prima}. Hasil dari A – B adalah....
4
A
{3, 11, 13, 17}
B
{2, 3, 5, 7, 19}
C
{1, 2, 3, 5, 7, 11, 12, 13, 15, 17, 19}
D
{1, 12, 15}
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