tolong donk no 13 pakai jalan yaa

P x < 10 x bilangan faktor 12 {1,2,3,4,6)
Q 1 < x < 10 bilangan ganjil { 1,3,5,7,9)
PUQ adalah {1,2,3,4,5,6,7,9} D

P = {1,2,3,4,6,}
Q = {3,5,7,9}

P∪Q = {1,2,3,4,5,6,7,9} (D)