I think Zhuhai Champion Lang is very good at teaching mathematics. My children used to be poor at math, and they were all muddling along doing it. Especially in junior high school, I couldn't keep up with math, and later I gave the champion Lang a math cram school. After tutoring for a while, my grades have improved. When you get home, don't watch TV or play with toys, you can calm down and do the problem. If you want to cram junior high school math, you can learn about it first. It really feels good. Today's children don't have to learn, and they are very patient with mathematics.