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Ajutatima varog
Calculați:
√5/2+√5+2/2+√5



Răspuns :

√5/2+√5+1+√5=
√5/2+2√5+1=
√5+4√5+2=
5√5+2
[tex]\it \dfrac{\sqrt5}{2+\sqrt5} +\dfrac{2}{2+\sqrt5} = \dfrac{\sqrt5+2}{2+\sqrt5} = \dfrac{\sqrt5+2}{\sqrt5+2} =1[/tex]