1, this edition of mathematics Huanggang small champion synchronous class training, complete questions, moderate difficulty, focusing on basic exercises, taking into account training and improvement. Support rich online resources to help students consolidate their usual knowledge.

2. The old version of the mathematics Huanggang small champion closely cooperated with the teaching materials, from basic exercises to promotion, and a small amount of olympiad after chapters improved children's self-confidence and interest in learning. But the function is too single.