sper sa intelegi am pus sageti in partea stanga sa stii la cine se refera si care e ordinea in partea dreapta sunt la rand
rad inseamna radical
2, a) A={-5 -4 -2 -1 0 1 2 3}
B={-4[tex] \frac{8}{9} [/tex], [tex] \frac{-10}{3} [/tex], -1.99, -rad(3), - 5/3, 0,(6), rad(2)}
b) AUB={-5, -4[tex] \frac{8}{9} [/tex], -4 , -10/3, -2, -1.99, -rad(3), -5/3, -1 ,0 , 0,(6), 1, rad(2) , 2, 3 }
