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ex 5 dau coroana pt rezolvare completa

Ex 5 Dau Coroana Pt Rezolvare Completa class=

Răspuns :

Sper ca intelegi bafta❤❤
Vezi imaginea ARTMUSIC13
[1+√(5-√3)][1-√(5-√3)]+[1-√(7+√3)][1+√(7+√3)]=
=[1-(5-√3)]+[1-(7+√3)]=
=1-5+√3+1-7-√3=
=1-5+1-7=
=-10
raspuns corect C. -10