You should go on to more advanced topics without being fluent in less advanced topics. You can always later go back to the exercises that stumped you. The typical student taking calculus without being fluent in adding fractions is a mistake, but that don’t over-correct that mistake.
You should go on to more advanced topics without being fluent in less advanced topics. You can always later go back to the exercises that stumped you. The typical student taking calculus without being fluent in adding fractions is a mistake, but that don’t over-correct that mistake.