You can try playing a few rounds of nine-square grid games during your daily breaks, or challenge your friends around you to a "duel". In addition, if you have the conditions, you can also participate in the "Nine-Square Grid Competition" held on some online platforms to master skills and improve your wisdom in actual combat. When you encounter a bottleneck, you can ask your math teacher or seek answers and guidance on the Internet.

　　In ancient times, the nine-square grid (also known as "Luo Shu" or "Luo Shu Jiugong") was not only a treasure of mathematics, but also an important tool for enlightening wisdom and training thinking. Mastering and familiarizing yourself with the nine-square grid password will not only bring a lot of fun to your math and brain teasers, but also bring out its unique benefits in everyday life. So, how to better memorize and apply the nine-square grid mantra?