The questions in Dao Xia's book "The Sharp Knife Volume of Famous Schools" are all real questions of famous schools, which can make children and students of famous schools enjoy the same teaching materials.

Moreover, the questions inside are "point-to-point" exercises with knowledge points, so that children can thoroughly understand every knowledge point.

The most important thing is that the explanation inside is super detailed, not just the answer, but the analysis of children's problem-solving ideas and the cultivation of children's problem-solving thinking.