Răspuns :
gasti + curci = 12
gasti + gaini=22
gaini+curci=16
Adunam:
2 gasti + 2 curci +2 gaini= 50 :2
gasti +curci +gaini=25
curci=13
gasti = 9
gaini= 3.
gasti + gaini=22
gaini+curci=16
Adunam:
2 gasti + 2 curci +2 gaini= 50 :2
gasti +curci +gaini=25
curci=13
gasti = 9
gaini= 3.
gaste+curci=12 gaini+curci=16 gaini+gaste=22 22-16=6 gaini 22-12=10 gaste 16-12=4 curci