Salut !
[tex]( \frac{1}{3})^{0} + \frac{1}{3} = 1 + \frac{1}{3} = \frac{3}{3} + \frac{1}{3} = \frac{4}{3} [/tex]
[tex] \frac{1}{2} - ( \frac{1}{2})^{2} = \frac{1}{2} - \frac{1}{4} = \frac{2}{4} - \frac{1}{4} = \frac{1}{4} [/tex]
[tex]1 - ( \frac{1}{4})^{2} = \frac{1}{1} - \frac{1}{16} = \frac{16}{16} - \frac{1}{16} = \frac{15}{16}[/tex]
...............
