Question

Am nevoie doar la 8
Dau coroana​

Answer 1

Explicație pas cu pas:

A={1,2,3,4}

B={2,3}

C={1,2}

AUB={1,2,3,4}

AUC={1,2,3,4}

BUC={1,2,3}

AiB={2,3}

AiC={1,2}

BiC={2}