Răspuns :
a+b+c=147899
a=2xb
c=b+899
bx2+b+b+899=147899
4xb=147899-899
4xb=147000
b=147000:4
b=36750
a=2x36750
a=73500
c=36750+899
c=37649
Verificare: 73500+36750+37649=147899
a=2xb
c=b+899
bx2+b+b+899=147899
4xb=147899-899
4xb=147000
b=147000:4
b=36750
a=2x36750
a=73500
c=36750+899
c=37649
Verificare: 73500+36750+37649=147899