vaaa roggg dauuu coroanaaa ex 5
![Vaaa Roggg Dauuu Coroanaaa Ex 5 class=](https://ro-static.z-dn.net/files/da4/a62a8ee50e019430fda92dd0a9e1768b.jpg)
Răspuns:
[tex] \sqrt{(3 \sqrt{6} } - \sqrt{5} ) \times (3 \sqrt{6} + \sqrt{5} ) = \sqrt{54 - 5} = \sqrt{49} = 7[/tex]