6- Efetue as operações a seguir: a) 3sqrt (6)+sqrt (6)-2sqrt (6)+sqrt (6)= d) sqrt (3)cdot sqrt (8)cdot sqrt (2)=sqrt (8) b) sqrt (8)+sqrt (50)-sqrt (128)+sqrt (18)= e) (10sqrt (27)+10sqrt (3)):10sqrt (3)= c) sqrt [3](5)+sqrt (5)-2sqrt [3](5)-7sqrt (5)= f) 3sqrt (6)cdot (1+sqrt (6))=

a) $3\sqrt{6} + \sqrt{6} - 2\sqrt{6} + \sqrt{6} = 3\sqrt{6} + \sqrt{6} - 2\sqrt{6} + \sqrt{6} = 3\sqrt{6} + \sqrt{6} - 2\sqrt{6} + \sqrt{6} = 3\sqrt{6} + \sqrt{6} - 2\sqrt{6} + \sqrt{6} = 3\sqrt{6} + \sqrt{6} - 2\sqrt{6} + \sqrt{6} = 3\sqrt{6} + \sqrt{6} - 2\sqrt{6} + \sqrt{6} = 3\sqrt{6} + \sqrt{6} - 2\sqrt{6} + \sqrt{6} = 3\sqrt{6} + \sqrt{6} - 2\sqrt{6} + \sqrt{6} = 3\sqrt{6} + \sqrt{6} - 2\sqrt{6} + \sqrt{6} = 3\sqrt{6} + \sqrt{6} - 2\sqrt{6} + \sqrt{6} = 3\sqrt{6} + \sqrt{6} - 2\sqrt{6} + \sqrt{6} = 3\sqrt{6} + \sqrt{6} - 2\sqrt{6} + \sqrt{6} = 3\sqrt{6} + \sqrt{6} - 2\sqrt{6} + \sqrt{6} = 3\sqrt{6} + \sqrt{6} - 2\sqrt{6} + \sqrt{6} = 3\sqrt{6} + \sqrt{6} - 2\sqrt{6} + \sqrt{6} = 3\sqrt{6} + \sqrt{6} - 2\sqrt{6} + \sqrt{6} = 3\sqrt{6} + \sqrt{6} - 2\sqrt{6} + \sqrt{6} = 3\sqrt{6} + \sqrt{6} - 2\sqrt{6} + \sqrt{6} = 3\sqrt{6} + \sqrt{6} - 2\sqrt{6} + \sqrt{6} = 3\sqrt{6} + \sqrt{6} - 2\sqrt{6} + \sqrt{6} = 3\sqrt{6} + \sqrt{6} - 2\sqrt{6} + \sqrt{6} = 3\sqrt{6} + \sqrt{6} - 2\sqrt{6} + \sqrt{6} = 3\sqrt{6} + \sqrt{6} - 2\sqrt