va rog
dau corona!!!!
![Va Rogdau Corona class=](https://ro-static.z-dn.net/files/d31/aaf38de96d70b1466aef19adab1c3e88.jpg)
Răspuns:
a.5 b.9 c. 1.69 d. -1 f. 4/9 g. -1/8 h. 9/4 i. -√2/4