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va rog help my please

Va Rog Help My Please class=

Răspuns :

r (rate) + g (gaini) = 35
g = r + 9
-------------------
? pasari de fiecare fel
Rezolvare:
rate   [---]          } 35
gaini [---] + 9      
35-9=26
26:2=13(rate)
13+9=22(gaini)
Proba:
13 rate+22 gaini=35pasari
Raspuns:
13 rate
22 gaini.

Sper ca te-am ajutat!