Question

A = { $\sqrt{2}$ ; 1 ; 3(2) ; 2 ; $\sqrt{7}$ ; -1 ; $\frac{1}{3}$ ; -$\frac{5}{6}$ ; 0 ; 2$\sqrt{6}$ ; π . }

a) Numere naturale
b) numere intregi
c) numere irationale

Answer 1

din A, desigur

a)naturale:1;2;0
b)intregi :1;2;-1;0
c) irationale :√2; √7; 2√6; π
as simple as that!!