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Cat face 3 supra radical din 12???

Răspuns :

[tex]\frac{3}{\sqrt{12}}=\frac{3}{2\sqrt{3}}=\frac{3\sqrt{3}}{2*\sqrt{3}*\sqrt{3}}=\frac{3\sqrt{3}}{6}=\frac{\sqrt{3}}{2}.[/tex]

@robertinnifd