Resposta :
Resposta:
A={5,6,7,8,9,10} , B={9,10,11,12} e C={5,7,11, 13}
(A ∩ B) ={9,10}
C - A = {11, 13}
(A ∩ B) U C - A
{9,10} U {11, 13}
= {9,10,11,13}
(A ∩ B) :
{9, 10}
C - A :
{11, 13}
(A ∩ B) U C - A:
{9, 10, 11, 13}
Resposta:
A={5,6,7,8,9,10} , B={9,10,11,12} e C={5,7,11, 13}
(A ∩ B) ={9,10}
C - A = {11, 13}
(A ∩ B) U C - A
{9,10} U {11, 13}