This is an app for practicing and improving multiplication operations. You can click the "Challenge" button on the main interface to challenge yourself with a total of 10 multiplication operations. Of course, if you are not proficient in multiplication yet, its okay. You can click the "more" button to learn and practice with specific skills. Choose "Exercise" to enter the specialized exercise, choose a specific one you want to train, and there are a total of 5 training questions. If you are still confused, you can choose "Learn" to learn first, and then go for specialized exercises or direct challenges. The button in the upper right corner of the main interface allows you to view the users challenge history. Come on! Lets learn together!