sqrt(600)- 2/3sqrt(54)-sqrt(6)
sqrt(600)=sqrt(6*100)=10sqrt(6) sqrt(54)=sqrt(9*6)=3sqrt(6) [m]\sqrt{600}-\frac{2}{3}\sqrt{54}-\sqrt{6} =[/m] [m] 10\sqrt{6}-2\sqrt{6}-\sqrt{6} = 7\sqrt{6}[/m]