Răspuns:
[tex] - \sqrt{8} = - 2 \sqrt{2} = > - 2 > - 2 \sqrt{2} [/tex]
[tex] - \sqrt{18} = - 3 \sqrt{2} = > - 3 > - 3 \sqrt{2} [/tex]
[tex]2 \sqrt{12} = 4 \sqrt{3} = > 7 > 4 \sqrt{3} [/tex]
[tex]9 > 6 \sqrt{2} [/tex]
[tex] \sqrt{645} < \sqrt{676} \: adica \: 26 > \sqrt{645} [/tex]
[tex]5 - \sqrt{908} = 5 - 2\sqrt{227} \: = > - 25 > 5 - 2 \sqrt{227} [/tex]