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heeeeeelp va rooooog.

Heeeeeelp Va Rooooog class=

Răspuns :

[tex]5-2 \sqrt{5}+1+2(5+2\sqrt{5}+1)+6-3^2=6-2\sqrt{5}+12+4\sqrt{5}-3\\ =15+2\sqrt{5} [/tex]