Va rooog am nevoie urgeent dau coroana

Va Rooog Am Nevoie Urgeent Dau Coroana class=

Răspuns :

[tex]a) \frac{7}{8} : \frac{3}{5} = \frac{7}{8} \times \frac{5}{3} = \frac{7 \times 5}{8 \times 3} = \frac{35}{24} \\ \\ b) \frac{7}{8} \times \frac{3}{5} = \frac{7 \times 3}{8 \times 5} = \frac{21}{40} [/tex]