va rog mult dau coroana , fara d si f
![Va Rog Mult Dau Coroana Fara D Si F class=](https://ro-static.z-dn.net/files/d5e/07a58ef48853ae51fb18f8baac03b27d.jpg)
2^x * 2^3 = 128
x=4
9^x : 3 = 243
x=3
2^x * x +x^2x * 2^3 + 2^2x +2^2 = 896
x=3
4^2x * 4^3 = 64
x = 0