Vă rog urgent !!
Dau coroana!!
![Vă Rog Urgent Dau Coroana class=](https://ro-static.z-dn.net/files/dfb/50df8703d7a06b0b47c441acdccdfda7.jpg)
√4+8+12+...+196
aplicam suma lui gauss=>
√4(1+2+3+...+49)
●1+2+3+...+49= 49(49+1)/2=49×50/2=1225
√4×1225=√4900= √70²=70