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Sep. 22nd, 2021 03:38 am![[personal profile]](https://www.dreamwidth.org/img/silk/identity/user.png){kind=small}
feotakahariI know how to add and subtract. I imagine a bowl of marbles. Addition is putting more marbles in the bowl, and subtraction is taking marbles out. Algebra is moving the marbles from one bowl to another. But when I got to calculus, I’m afraid I lost my marbles.
