va rog ajutati ma dau coronita
![Va Rog Ajutati Ma Dau Coronita class=](https://ro-static.z-dn.net/files/d0a/920045cd42e2fa2e1ddb3ba84df12e87.jpg)
[tex]a=(-9)^7*3^{10}:(-3)^{17}\\a=-9^7*3^{10}:(-3^{17})\\a=(3^2)^7*3^{10}:3^{17}\\a=3^{14}*3^{10}:3^{17}\\a=3^{24}:3^{17}\\a=3^7[/tex]