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(6rad15-18rad9+6rad45)/6rad3=
va rog mult
aduceti la forma cea mai simpla



Răspuns :

(6√15-18√9+6√45)/6√3=
(6√15-54+18√5)/6√3=
√3(6√15-54+18√5)/(6·3)=
(18√5-54√3+18√15)/18=
18(√5-3√3+√15)/18=
√5-3√3+√15