Question

ex 14 va rog foarte frumos...​

Answer 1

Răspuns:

A={1,2,3,4}

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

C={0,1,2,4,5,6,9}

A∪B={1,2,3,4,5,6,7,8}

A∪C={0,1,2,3,4,5,6,9}

A∩B={1,4}

A∩C={1,2,4}

A/B={1,2,3}

B/C={7,8}

C/A={0,5,6,9}

C/B={0,1,2,9}

(A/B)∪(B/A)={1,2,3,5,6,7,8}

(A/C)U(C/A)={3}U{0,5,6,9}={0,3,5,6,9}

(B/C)U(C/B)={7,8}U{0,1,2,9}={0,1,2,7,8,9}

A∩B∩C={4}