2. Mathematics is a subject with large amount of calculation and strong logical ability! Do more questions, if you can't, try to think for yourself first, and then ask others when you really don't understand, so learning math may be much easier!
3. Make your brain more flexible, clearer and more organized.
First, be careful in the future. Second, we should do more and practice more in the future. As the saying goes, "Poetry can't be written, but it can also be recited." . Third, you must be able to use your time! Hurry up! But, quick, easy to make mistakes! How can it be fast? There is only one way: practice more!