Question

Vă roggg
E urgentttt

Answer 1

Răspuns:

a)AUB(-2,9)

AnB[-1,5]

A/B[-2]

B/A[6,9)

b)AUB[-4,14)

AnB(5,7]

A/B[-4,4)

B/A(8,14)

c)AUB[-7,8]

AnB(-5,2)

A/B[-7,-6]

B/A[3,8]

d)AUB(-4,9]

AnB[-1,9]

A/B(-4,-2)

B/A{vid}