Răspuns:
[tex]\frac{\sqrt{2}}{1,(6)} -\frac{\sqrt{2}}{0,8(3)} +\frac{\sqrt{2}}{2,5} =\frac{\sqrt{2}}{\frac{16-1}{9} } -\frac{\sqrt{2}}{\frac{83-8}{90} } +\frac{\sqrt{2}}{\frac{25}{10} } =\frac{\sqrt{2}}{\frac{5}{3} } -\frac{\sqrt{2}}{\frac{5}{6} } +\frac{\sqrt{2}}{\frac{5}{2} } =\frac{3\sqrt{2}}{5}} -\frac{6\sqrt{2}}{5} } +\frac{2\sqrt{2}}{5} } =-\frac{\sqrt{2}}{5} }[/tex]
Explicație pas cu pas:
