Răspuns :
a+b+c=985
a=324
b=2a, adica 2 ori 324, b=648
324+648+c=985
c=985-324-648
c=13
324+648+13=985
a=324
b=2a, adica 2 ori 324, b=648
324+648+c=985
c=985-324-648
c=13
324+648+13=985