Răspuns :
a + b + c = 600
3b + b + 2b = 600 => 6b = 600 / : 6 => b= 100
3b + b + 2b = 600 => 6b = 600 / : 6 => b= 100
a+ b+ c=603
a= b•3
c= b•2
b•3+ b+ b•2=603
6• b=603
b=603:6
b=100,5
a=100,5•3
a=301,5
c=100,5•2=201
a= b•3
c= b•2
b•3+ b+ b•2=603
6• b=603
b=603:6
b=100,5
a=100,5•3
a=301,5
c=100,5•2=201