CALCULATI 4 supra 7 din 21 supra 36
![CALCULATI 4 Supra 7 Din 21 Supra 36 class=](https://ro-static.z-dn.net/files/d90/5be990b901d650261dc7597c59fb1f65.jpg)
Răspuns:
[tex] \frac{4}{7} \times \frac{21}{36 } = \frac{3}{9} =\frac{1}{3} [/tex]