Question

la matematică ajutaţimă​

Answer 1

Răspuns:

A={2,3,4,5}

B={3,4,5,6,7,8,}

AUB ={2,6,7,8}

AnB= {3,4,5,}

A/B ={2,6,7,8}

B/A={2,6,7,8}