No matter what kind of primary school, the physical examination is red and green, so you can go to school and take exams.

What's more, what is said here is the physical examination of primary school mathematics, and there are not many requirements for red and green color blindness.

In normal mathematics teaching, there may be some red and green illustrations, but when it comes to the exam, they are all in black and white.

Therefore, this kind of red-green blindness will not affect children's exams.

To sum up, primary school mathematics physical examination can be red and green color blindness.