Uploaded on 2016-04-04 by Carlosbenites12

![route 01][1] ![route 02][2] ![route 03][3] ![calculos][4] [1]: https://edxuploads.s3.amazonaws.com/14598126966654527.jpg [2]: https://edxuploads.s3.amazonaws.com/14598127616140876.jpg [3]: https://edxuploads.s3.amazonaws.com/14598127726482379.jpg [4]: https://edxuploads.s3.amazonaws.com/14598128027544676.jpg