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1/2•√3/2+√3•√3/3+√2/2•√2/2-√3/2•1/2

Răspuns :

= √3/4+3/3+2/4-√3/4
= √3/4-√3/4+1+1/2
=0+ 1+1/2
= 1+1/2 (am amplificat pe prima cu 2)
=2/2+1/2
=3/2