Question

Dau 20 pct va rog toate

Answer 1

Răspuns:

1)

A = {1,2,3,5} B={0,1,2,4,6} C={2,3,4,6,7}

AUC = {1,2,3,4,5,6,7}

AnB = {1,2}

C\A = {4,6,7}

(AUC)\B = {1,2,3,4,5,6,7} \ {0,1,2,4,6} = {3,5,6}

2)

XnY = {3,4} X\Y = {1,2} XUY = {1,2,3,4,5}

X = {1,2,3,4}

Y = {3,4,5}

3)

A = {2,4}

B = {0,2}

C = {3}