URGENT DAU COROANĂ!!!
![URGENT DAU COROANĂ class=](https://ro-static.z-dn.net/files/df1/4e6f0c864da5b14dd593ee104d9142c5.jpg)
Răspuns:
a) √3+4√3=5√3
b) 9√5-√10:√2=9√5-√5=8√5
c)-7√15:√5+8√3=-7√3+8√3=√3
d)4√5-11√5=-7√5