Răspunsuri

2014-04-02T20:46:17+03:00
A+b+c=570
b+c=423 =>b=423-c
a=3*c
3*c+b+c=570
4*c+b=570
4*c+423-c=570
3*c=570-423
3*c=147
c=147/3=49
b=423-c=423-49=374
a=3*c=3*49=147
a=147
b=374
c=49
a+b+c=570
a=3c
=> 3c+423=570
3c=570-423=147
c=147:3=49
a=3c=147
b=423-49=374
a=147
b=374
c=49
Mersi!!! :*
  • Utilizator Brainly
2014-04-02T20:48:09+03:00
A+b+c=570
b+c=423
a=3c
3c+423=570
3c=570-423
3c=147
c=49
a=3x49
a=147
b+49=423
b=423-49
b=374
Verificare : 147+374+49=570