vă rooooooooooooooog!!!!!!!!!!!!
![Vă Rooooooooooooooog class=](https://ro-static.z-dn.net/files/d7c/34676f2643a7ac4e583977cf7972af2a.jpg)
Explicație pas cu pas:
8+6×[(27÷(0+u×9)]=50 4+27÷(0×u)=7 u×9=9 u=1