Răspuns :
Rad (9^2+1^2)-Rad 121=rad(81+144)-Rad11^2=rad225-rad11^2=rad15^2-rad11^2=
=15-11=4
=15-11=4
radical (81+144)-radical(121)=radical(225)-radical(121)=15-11=4
Atentie! Mai intai calculezi suma si apoi extragi radicalul!
Succes!
Atentie! Mai intai calculezi suma si apoi extragi radicalul!
Succes!