Răspuns:
[tex] \sqrt{( \sqrt{8} - 3) ^{2} } + \sqrt{(5 - \sqrt{18}) ^{2} } + \sqrt{(7 - \sqrt{50} ) ^{2} } [/tex]
[tex] = \sqrt{(2 \sqrt{2} - 3) ^{2} } + \sqrt{(5 - 3 \sqrt{2} ) ^{2} } + \sqrt{(7 - 5 \sqrt{2} )^{2} } [/tex]
[tex] = 3 - 2 \sqrt{2} + 5 - 3 \sqrt{2} + 5 \sqrt{2} - 7[/tex]
[tex] = 1[/tex]