Mingxin Education, a local training institution specializing in Olympic Mathematics in Wuhan, has become more and more excellent in learning and thinking in recent years, but Mingxin still has its advantages. First of all, when he signed up, he sent an A4-sized draft book, which is said to be used to record the process of calculation, inspection and drawing neatly, cultivate children's good study habits, facilitate inspection, reduce the error rate and cultivate their autonomous learning ability!