184:2=92 ; 92-77= 15
15*4= 60p....15c (oi)
184-60=124p (ramase)
124:2= 62 c ( gaini)
R:
15 oi
62 gaini
15+62=77 capete
15*4+62*2=60+124=184 picioare
Sau altfel:
o+g=77
2g+4o=184
o=77-g
2g+4*(77-g)=184
2g+308-4g=184
-2g=184-308
-2g= -124
g= -124 : -2
g= 62
o+g=77
o=77-62
o=15
