It's important that you can overcome the difficulty of concentration, and then you take notes.

It doesn't matter if you can't turn, mainly because you can do this problem, then you can recite the formula, and finally you can practice calculation! ! ! ! ! ! ! ! ! !

Main test formulas of fill-in-the-blank questions

This way, the foundation is solid and mathematics is easy to learn.

Do more exercises to activate your thinking.

Proper practices of the Olympic Games

Hope to adopt