Mathematical Olympiad Tutorial: (Third year)

Mathematical Olympiad tutorial (Grade 3) (5th edition) Main Introduction: It is said that in many countries, especially the United States, children are afraid of math, the math as "undesirable discipline." But in China, the situation is very different, and many children love math, math scores are very good. Indeed, the Chinese people are good at math disciplines, primary and secondary schools in the United States if you see a few Chinese students, then the class of non-mathematics them is none other than the top few.