Răspuns :
[tex] \sqrt{0,01} + \sqrt{0,04} + \sqrt{0,09} + \sqrt{0,16} = \sqrt{ \frac{1}{100} } + \sqrt{ \frac{1}{25} } + \sqrt{ \frac{9}{100} } + \sqrt{ \frac{4}{25} } = \frac{1}{10} + \frac{1}{5} + \frac{3}{10} + \frac{2}{5} = \frac{1 + 2 + 3 + 4}{10} = \frac{10}{10} = 1 [/tex]