The progress of enjoying reading mathematics is interrelated with school mathematics, and its teaching progress is usually arranged according to the teaching plan and schedule of school mathematics. Therefore, the progress of reading mathematics happily will not be much faster than that of school mathematics.
In addition, the teaching content and difficulty of fast reading mathematics will also match the mathematics in the school, so as to ensure that students will not be too difficult or uncomfortable when learning fast reading. Therefore, there is not much difference in teaching content and difficulty between fast reading mathematics and school mathematics.