Răspuns :
x mere are Andrei
2x mere are Barbu
2x-3 mere are Cali
x+2x+3x -3 =22⇒5x=25⇒x=5
5 mere Andrei
10 mere Barbu
7 mere Calin
2x mere are Barbu
2x-3 mere are Cali
x+2x+3x -3 =22⇒5x=25⇒x=5
5 mere Andrei
10 mere Barbu
7 mere Calin
x mere are Andrei
2x mere are Barbu
2x-3 mere are Cali
x+2x+3x -3 =22⇒5x=25⇒x=5
5 mere Andrei
10 mere Barbu
7 mere Calin......................................................................
2x mere are Barbu
2x-3 mere are Cali
x+2x+3x -3 =22⇒5x=25⇒x=5
5 mere Andrei
10 mere Barbu
7 mere Calin......................................................................