Question

A= {2,4,8,12,14}, B= {5,10,15,20,25}, C= {1,2,3,18,20}, D= {1,3,5,7,9}

Calcular o que se pede:

AUB=

BUC=

AUD=

AꓵB=

BꓵC=

AUC=

AꓵC=

CꓵD=

​

Answer 1

Explicação passo-a-passo:

A={2,4,8,12,14} B={5,10,15,20,25} C={1,2,3,18,20}

D={1,3,5,7,9}

AUB= { 2,4,5,8,10,12,14,15,20,25}

BUC={1,2,3,5,10,15,18,20,25}

AUD={1,2,3,4,5,7,8,9,12,14}

AnB= { }

BnC= { 20 }

AUC={ 1,2,3,4,8,12,14,18,20}

AnC={ 2}

CnD={ 1,3 }