If you learn more about your weakest subjects you'll have done what to yourself?
Options:
- have more knowledge
- become knowledgeable
- have tools
- improve yourself
- read Let's think step by step:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Improve yourself is to make yourself a better person. If you learn more about your weakest subjects, you'll have improve yourself. So, the answer is improve yourself.