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Calulati

a) √2/2 x √3/2
b) √5/2 x 7.2 x 11/4
b) √2/4 x 5/2 x 3/6


Răspuns :

a)(√2·√3)(2·2)=√6/4
b)(√5·7·11)/(2·2·4)=77√5/16
c)(√2·5·3)/(4·2·6)=15√2/48=5√2/16