Question

Dau multe puncte. Este urgent pls​

Answer 1

Răspuns:

A={11, 19, 27, 35, 43, 51, 59, 67}

B={7, 13, 19, 25, 31, 37, 43, 49}

AnB={19, 43}

AUB={7, 11, 13, 19, 25, 27, 31, 35, 37, 43, 49, 51, 59, 67} adică 14 elemente