[tex] \frac{1}{5} * 20 = \frac{1}{1} * 4 = 4
[/tex]
[tex] \frac{1}{5} * 25 = \frac{1}{1} * 5 = 5
[/tex]
[tex] \frac{1}{5} * 40 = \frac{1}{1} * 8 = 8
[/tex]
[tex] \frac{1}{5} * 605 = \frac{1}{1} * 121 = 121[/tex]
[tex] \frac{1}{5} * 715 = \frac{1}{1} * 143 = 143
[/tex]
[tex] \frac{1}{5} * 820 = \frac{1}{1} * 164 = 164
[/tex]
Ce am facut este am simplificat totul la 5. Mult noroc la scoala!