113+x+87+x+125+x=874
3x=874-325=549
x=549/3=183
183+113= bal rosi
183+87 verzi
183+125-galbene
I..........X......I..........113........I
I..........X......I........87.......I
I...........X......I......125...............I
ACOLADA LA TOATE SEGMENTETE 874
CATE BALOANE S-AU VANDUT?
874-113-87-125=549
CATE BALOANE SA=-AU VANDUT DIN FIECARE?
549/3=183