mas prácticas

https://docs.google.com/spreadsheet/ccc?key=0Arg16sdLSAgedDY5SUdXNXphNmJGZG5Hd3dZVmpBX1E#gid=0  tabla calc new

https://docs.google.com/spreadsheet/ccc?key=0Arg16sdLSAgedGZXX3RrOVJiRlFkR0RscUpobS1hMkE#gid=0  tabla alumnos total

https://docs.google.com/spreadsheet/ccc?key=0Arg16sdLSAgedHNnMUZnVWZWaFJ5c1FVdENGaE1PQXc#gid=0  tabla venta productos

https://docs.google.com/spreadsheet/ccc?key=0Arg16sdLSAgedGowZ19Fd3hpd3NwY2JDaWx0bTRHNlE#gid=0  tabla notas alumnos

https://docs.google.com/spreadsheet/ccc?key=0Arg16sdLSAgedHR2RG43aEp6a1ZzaFc3UkgyNlFsWnc#gid=0  hoja calc horario