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Buna!
Vreu si eu rezolvarea calculului:
2√3x(√5-1)(√5+1)+(2√3-5)²+(3√3+2)²


Răspuns :

2√3x(√5-1)(√5+1)+(2√3-5)²+(3√3+2)² =
=
2√3x(5-1)+12-20√3+25+27+12√3+4=
=8√3-8√3+25+43=
=68