Răspunsuri

2014-03-06T15:47:08+02:00
999-844=155 (vitei)
999-476=523 (oi)
476-155=321 (vaci)

2014-03-06T15:56:59+02:00
A+b+c=999 a+b=844 b+c=476 
844+c=999
c=999-844=155 vitei

b+155=456
b=456-155
b=321 vaci

a+321=844
a=844-321
a=523 oi