根号75加三分之根号48减根号三分之一加根号54除以根号3
=(5根号3+4又3分之根号3-根号三分之一+3根号6)/根号3
=(5根号3+4根号3+3根号6)/根号3
=(9根号3+3根号6)/根号3
=9+3根号2