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a+b+c=200
b=c+18
a=c+2
afla a,b,c
dau coroana


Răspuns :

C+2+c+18+c=209
3C=209-20=189

C=189:3=63
A=63+2=65
B=63+18=81
c+2+c+18+c=200
3c+20=200
3c=180
c=60
b=60+18
b=78
a=60+2
a=62