Question

Va rog muuult repede!​

Answer 1

Explicație pas cu pas:

$\frac{4}{3} = \frac{8}{3} - \frac{4}{3}$

$\frac{30}{40} = \frac{60}{40} - \frac{30}{40}$

$\frac{20}{9} = \frac{30}{9} - \frac{10}{9}$

$\frac{8}{6} = \frac{10}{6} - \frac{2}{6}$

$\frac{16}{12} = \frac{25}{12} - \frac{9}{12}$