dau corona urgent
cl 7
![Dau Corona Urgent Cl 7 class=](https://ro-static.z-dn.net/files/dfd/294f5a1ceb9c7d85bdd4a3e68d94c341.jpg)
Răspuns
9 ; 16 ;
Explicație pas cu pas:
12/y = 9/x = 6/8 = 3/4 ;
3y = 12x4 ; y = 48/3 = 16 ;
6x = 9x4 ; x = 36/4 = 9 ;