Efectuati:
Plsssssss
![EfectuatiPlsssssss class=](https://ro-static.z-dn.net/files/def/c8ce715e65f00fb55dd73e1719226920.jpg)
Răspuns:
5/3+1/4=6/6;3/5+5/4=7/9;7/10+4/15=11/25;10/9+1/12=11/21;3/20+11/8=14/28;5/12+11/16=16/28