People who are not good at mathematics are not low in IQ, but have never learned mathematical thinking methods. Generally speaking, people who are not good at math are generally better at English.

Scores in any subject can't prove IQ. The quality of your academic performance can only prove your ability in one aspect, for example, your Chinese is good, or you may think better in images. If you are good at math and physics, you may have strong logical thinking ability. You are good at history and politics, perhaps because you have a good memory.