Question

A={1,2,3,4,5,6,8,9} si
B={7,8,9,10}. Atunci:
A B= }
A-B={
B-A={ , }​

Answer 1

Răspuns:

Explicație pas cu pas:

A={1,2,3,4,5,6,8,9}

B={7,8,9,10}

A ∪ B = {1,2,3,4,5,6,7,8,9,10}

A ∩ B = {8 , 9}

A - B = { {1,2,3,4,5,6}

B - A = {7 , 10}