Question

Cate oua cloceste fiecare din cele 3 pasari stiind ca :vultur+ randunica =8;randunica+mierla=7;vultur + mierla=5

Answer 1

Notam:
vultur=v
randunica=r
mierla=m
v+r=8
r+m=7
v+m=5
m=5-v
r=8-v
8-v-v+5=7
13-2v=7
-2v=-6
v=3 => m=5-v m=2  => r=8-v r=5