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Calculati
2√18+3√27-2√75


Răspuns :

Salut,

[tex]2\sqrt{18}+3\sqrt{27}-2\sqrt{75}=2\sqrt{2\cdot 9}+3\sqrt{3\cdot 9}-2\sqrt{3\cdot 25}=\\\\=2\cdot 3\sqrt2+3\cdot 3\sqrt3-2\cdot 5\sqrt3=6\sqrt2-\sqrt3.[/tex]

Green eyes.