va rog repede,c) dau coroana
![Va Rog Repedec Dau Coroana class=](https://ro-static.z-dn.net/files/d67/440664375ca3f7978702b7c7b8e3389b.jpg)
c) 2×(-2)+5×1= 1
-4+5= 1
-(-2)+4×1=6
+2+4=6
succes la teme