Răspuns :
a+b+c=2450
a=250+b=>b=a-250
a=c+180=>c=a-180
a+a-250+a-180=2450
3a=2450+250+180
a=2880:3=960
b=960-250=710
c=960-180=780
a=250+b=>b=a-250
a=c+180=>c=a-180
a+a-250+a-180=2450
3a=2450+250+180
a=2880:3=960
b=960-250=710
c=960-180=780
a+b+c=2450
a=b+250 => b=a-250
a=c+180 => c=a-180
a+a-250+a-180=2450
3*a=2450+250+180
3*a=2700+180
3*a=2880
a=2880:3
a=960
b=a-250=960-250=710
c=a-180=960-180=780
960+710+780=2450
a=b+250 => b=a-250
a=c+180 => c=a-180
a+a-250+a-180=2450
3*a=2450+250+180
3*a=2700+180
3*a=2880
a=2880:3
a=960
b=a-250=960-250=710
c=a-180=960-180=780
960+710+780=2450