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by pthread_t 1613 days ago
Try Khan Academy. The exercises (especially with how they focus on mastery), coupled with the videos will help you root out your weak points and even master them. Do not be ashamed in starting with the kindergarten math topics and moving upwards from there. If you are able to power through it, good on you. If you get stuck on something, even better -- now is your chance to master it.

KA helped me go from hating math in high school to double majoring in Math & CS in college, and graduating with honors. I donate to KA now.