Răspunsuri

2014-08-25T14:34:20+03:00
I-iepuri
p-pasari

4i+2p=110 /:2

2i+p=55
i+p=40 => i=40-p
2(40-p)+p=55
80-2p+p=55
80-55=2p-p
25=p (25 de pasari)
i=40-25
i=15 iepuri
1 5 1