RAPIDDDDD!!!! Dau coroana!!!! se stie ca a+b+c=23 si x=9. Calculati:
![RAPIDDDDD Dau Coroana Se Stie Ca Abc23 Si X9 Calculati class=](https://ro-static.z-dn.net/files/d60/78a632a9ff57a00a63e2469a43c52593.png)
Răspuns:
2013-(53a+53b+53c+10x)= 2013-53(a+b+c)+10x=2013-53*23+10*9=2013-1219+90=884
424-21x+3a+3b+3c=424-21*9+3(a+b+c)=424-189+3*23=235+69=304
3147-10x-(100a+100b+100c)=3147-10*9-100(a+b+c)=3147-90-100*23=3057-2300=757
Explicație pas cu pas: