Răspuns :
a+b+c=624
2a=b
c-b=a c=a+b=a+2a=3a
a+2a+3a=624
6a=624
a=624/6=104
b=2.104=208
c=3.104=312
2a=b
c-b=a c=a+b=a+2a=3a
a+2a+3a=624
6a=624
a=624/6=104
b=2.104=208
c=3.104=312