-2√3=-[tex]2^{2}[/tex] x 3 = √-24
-3√2=-[tex]3^{2}[/tex] x 2 = √-18
6√2=[tex]6^{2}[/tex] x 2 = √72
2√3=[tex]2^{2}[/tex] x 3 = √24
5√2=[tex]5^{2}[/tex] x 2 = √50
4√3=[tex]4^{2}[/tex] x 3 = √48
-2√7=-[tex]2^{2}[/tex] x 7 = √-28
√47
Ordinea descrescatoare: 6√2, 5√2, 4√3, √47, 2√3, -3√2, -2√3, -2√7