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Fie expresia E = √(√5-√3)² + √(√3-√4)² + √(√5+√4)² - 2√5 - 2

Răspuns :

DESTEPTULinteligent
E=√(5-2√15+3)+√(3-2√12+4) +√(5+2√20+4)-2√5-2
E=√(8-2√15)+√(7-2√12)+√(9+2√20)-2√5-2
E=√(8-2√15+7-2√12+9+2√20)-2√5-2
E=√(24-2√7)-2√5-2

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