Since it is an exam, of course, 100 is the best, but it varies from person to person.

Your basic knowledge is up to standard, but there are still some minor faults, such as scribbling and carelessness. Your score should be above 80.

Also, if your knowledge is ambiguous, you will do things with a small tail, and you will get more than 60 points due to the limitation of your understanding ability.

There is also a poor foundation and it is impossible to get through.

Supplement: As for primary school mathematics, it is enlightenment education, and it is also related to the day after tomorrow. The most important thing for people is to know what they have done. When they are enlightened, their efforts will be fruitful because everyone's intelligence is no different.