Your difficulty score is the sum of these 8 numbers, and you can mix and match between C's and E's. While we may not all compete in the International Mathematical Olympiad, our training in math has important consequences. Biles's dominance comes from her ability to significantly push up her Difficulty Score while still executing the routines with extreme reliability. ADVERTISEMENTDid you know that the USA already won its first Olympic gold medal this summer? At Expii.com, a site with puzzles and problems for many levels of math training - from beginner to advanced, there is a gym, of sorts, to train for mathematics with a world-class coach.

Source: Huffington Post August 06, 2016 19:30 UTC