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c+g+s=28 580
g+c=16 990
g+s=21 210

c,g,s=?
Va rog ajutatima !
11 puncte


Răspuns :

c+21210=28580
c=7370
16990+s=28580
s=28580-16990
s=11590
7370+g+1590=28580
18960+g=28580
g=28580-18960
g=9620