√225 =15
(√7)² =7
-√19 8,(24)=-√(19824-198)/99=-√19626/99=-√6542/33
10³=1000
N: 7, 15, 1000, 2015
Y: -√6542/33, -2√3 (radicalii care nu ies exact)
Q: 7, 15, 1000, 2015, 5.4 (Q il contine pe N, dar si numerele zecimale)
R: 7, 15, 1000, 2015, 5.4, -√6542/33, -2√3 (adica toate)
Imi votezi ca cel mai bun raspuns? :D