Considerando os conjuntos
$A=\{3,7,11\}$
$B=\{3,9,13\}$
$C=\{3,11,12\}$
Calcule $(A\cap B)\cup C$
a) $\{3\}$
b) C
c) A
d) $A\cap B$
RESOLUÇÃO
$(A\cap B)\cup C=(\{3,7,11\}\cap\{3,9,13\})\cup \{3,11,12\}=(\{3\})\cup \{3,11,12\}=\{3,11,12\}=C$
$A=\{3,7,11\}$
$B=\{3,9,13\}$
$C=\{3,11,12\}$
Calcule $(A\cap B)\cup C$
a) $\{3\}$
b) C
c) A
d) $A\cap B$
RESOLUÇÃO
$(A\cap B)\cup C=(\{3,7,11\}\cap\{3,9,13\})\cup \{3,11,12\}=(\{3\})\cup \{3,11,12\}=\{3,11,12\}=C$
ALTERNATIVA C
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