[tex]\it Vom \ nota \ cu\ x,\ y,\ z\ num\breve arul\ cititorilor\ din \ prima\ lun\breve a, a\ doua\ lun\breve a,\\ \\ respectiv\ a \ treia\ lun\breve a\ .[/tex]
[tex]\it x+y+z=937874\ \ \ \ \ (1)\\ \\ a+b=873542\ \ \ \ \ \ \ (2)\\ \\ b+c=659421\ \ \ \ \ \ \ (3)\\ \\ (2),\ (3) \Rightarrow a+b+b+c=873542+659421 \Rightarrow (a+b+c)+b=1.532,969 \Rightarrow \\ \\ \\ \Rightarrow 937874+b=1.532. 969\bigg|_{-937874} \Rightarrow b=595089\ \ \ \ \ (4)\\ \\ \\ (2),\ (4) \Rightarrow a+595089=873542\bigg|_{-595089} \Rightarrow a=278453[/tex]
