Question

A={4^2; - 3/4; -(-2);-8;1,5;2,1(3);36/12;-1/2} A reunit cu N ; A reunit cu Z ; A reunit Q
Dau coroana

Answer 1

A reunit cu N={4^2,36/12,-(-2)}
A reunit cu Z={4^2,—8,,36/12}
A reunit cu Q={4^2,-3/4;1,5;2,1(3);36/12,-1/2}