EJERCICIOS

http://www.scribd.com/fullscreen/74023011?access_key=key-42570r1dw974ft7gsp9
5 incremento salario


http://www.scribd.com/fullscreen/74023004?access_key=key-14upmw96gpzxu6tcpfli
3 hallar masa


http://www.scribd.com/fullscreen/74022999?access_key=key-d7xj7e68gldcx3r5b12
1 moneda convertir