Generally I usually give greater importance to the correct resolution of exercises through small techniques and tricks, since most high school problems are based on the same resolution model. Therefore, knowing the two key tricks is essential to be able to solve the exercise I am a first-year student at the Complutense University of Madrid, studying the double degree in Economics-Mathematics and Statistics, good academic record (13.2 in selectivity), sociable, sportsman and fan of reading. I also play soccer in a federated team and I go to the Bernabeú on Sundays with my bag of pipes. Online classes, or at the student's home.