👤

2,1(3) : 4pe3
13pe90 : 4pe3


Răspuns :

[tex]2 \frac{12}{90}* \frac{3}{4}= \frac{192}{90}* \frac{3}{4}= \frac{48}{30}=\boxed{ \frac{8}{5}} \\ \\ \frac{13}{90}* \frac{3}{4}= \frac{13}{30*4}= \boxed{ \frac{13}{120} } [/tex]