Question

Scrieti numarul 5 supra 7 ca suma a doua numere rationale: de acelasi semn,de semne diferite,egale ma puteti ajuta

Answer 1

$\frac{5}{7} = \frac{2}{7} + \frac{3}{7}$

$\frac{5}{7} = \frac{9}{7} - \frac{4}{7}$$\frac{5}{7} = \frac{10}{14} = \frac{5}{14}+ \frac{5}{14}$