mariana londoño 6°B

https://drive.google.com/open?id=0B4msrPx9-BIOGRAFIA DE ALFRED NOBEL
https://drive.google.com/open?id=0B4msrPx9-8r2bnNKWEhETnYwVGxNMlFsSERTUjhlRFRocnFZ BIOGRAFIA DE CHARLES BABBAGEhttps://drive.google.com/open?id=0B4msrPx9-8r2dG1LTGJXWGxCREU1aElxWVNrdkZaTTd4enk0 GRAFICOS DE exxEXCELhttps://drive.google.com/open?id=0B4msrPx9-8r2ZnBCVE5FbXpQTV9pQnFYVGNqNW1nenJLLUJvTABLA DE FRECUENCIAhttps://