Resposta :
Explicação passo-a-passo:
a)AUB={0,2,4,6,10,12}
b)AnB={2,4,10,12}
c)AUC={0,2,3,4,6,9,13}
d)AUD={0,2,4,5,6.10,15,20}
e)AnD={2,4,5,6,10,15,20}
f)AUBUC={0,1,2,3,4,6,9,10,12,13}
g)AnBnC={1,2,3,4,9,10,12,13}
Explicação passo-a-passo:
a)AUB={0,2,4,6,10,12}
b)AnB={2,4,10,12}
c)AUC={0,2,3,4,6,9,13}
d)AUD={0,2,4,5,6.10,15,20}
e)AnD={2,4,5,6,10,15,20}
f)AUBUC={0,1,2,3,4,6,9,10,12,13}
g)AnBnC={1,2,3,4,9,10,12,13}