Question

Fie multimea A={312; 49; -9; 3; 1/2:-7; 1; -11; 9; 4; 3; 2; 2,15}. Determinati A UZ; AUN; AZ; A/N.

Answer 1

A U Z = { 312, 49, 3, -7, 1, -11, 9, 4, 2 }
A U N = { 312, 49, 3, 1, 9, 4, 2}
A/N = { -9, 1/2, -7, -11, 2,15 }