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Calculati:
|√5•(6-8.15)|+|(√3-√5)^2|-|1-√5/5-6.5|=
Multumesc anticipat.


Răspuns :

|√5•(6-8.15)|+|(√3-√5)^2|-|(1-√5)/(5-6.5)|=
=
|√5•(-2,15)|+|(3-2√15+5)|-|(1-√5)/(-1,5)|=
=
|-2,15√5|+|(8-2√15)|-|(√5-1)/1,5|=
=2,15√5+8-2√15-(√5-1)/1,5=
=2,15√5+8-2√15-(√5-1)/(15/10)=
=2,15√5+8-2√15-(√5-1)/(3/2)=
=2,15√5+8-2√15-(2√5-2)/3=
=(6,45√5+24-6√15-2√5+2)/3=
=(4,45√5+26-6√15)/3
sau daca a-ti invatat si despre numere cu perioada  se poate scrie si asa
=1,48(3)√5+8,(6)-2√15