DAU COROANA SI 20 DE PUNCTE+ MA ABONEZ!
→ efectuati calculele:
a) 80+ √80· { √3+ [ √125- √15· (2√20- √75)] : 20}
b) [tex]\frac{x}{3\sqrt{2} + 2\sqrt{3} } = \frac{3\sqrt{2} - 2\sqrt{3} }{\sqrt{6} }[/tex]