1 zi) x/6 ; x-x/6 =6x/6 -x/6 =5x/6 rest
2 zi) 3/5 *5x/5 +3 =15x/30 3 =x/2 +3
3 zi) 45 lei
x/6 + x/2 + 3 + 45 = x numitor 12
2x+6x+36+540 =12x
12x-2x-6x =36+540
4x =576
x =144
1) x/6 =144/6 =24 lei
2) x/2+3 =144/3 +3 =72+3 =75 lei
3) 45 lei
verif ; 24+75+45 = 144