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a=|√3-2|+√3
b=1/2+√3+1/2-√3

"/"= supra


Răspuns :

A= |√3-2|+√3
|√3-2| = -(√3-2) = -√3+2
-√3+2+√3=2

B= 1/(2+√3)+1/(2-√3) Aducem la acelasi numitor
(2-
√3)+(2+√3)=√3+4-√3=4


C = 1/2+√3+1/2-√3 = 1/2 + 1/2 = 1