Răspuns :
[tex]\sqrt{(2-\sqrt3)^2}+\sqrt{(1-\sqrt3)^2}=\\
|2-\sqrt3|+|1-\sqrt3|=\\
2-\sqrt3+\sqrt3-1=1[/tex]
cand nr de sub radical e la puterea a doua radicalul dispare si ramane: (2-3)+(1-3)=(-1)+(-2)=-3
