Răspuns :
a+b+b+c+a+c=220+588+438=1246 2a+2b+2c=1246 a+b+c=1246%2=623 a+b+c=623 de aici inlocuiesti a+588=623 a=623-588=35 35+b=22o b=220-35=185 185+c=588 c=588-185=403 a=35 b=185 c=403 poti face verificare