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Yeah, when we were taught short and long division I had the same question and it was not until quite late in high school we got the explanation.

I went to school in Sweden where we do teach all this things, but in a strange order.

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Went to school in Sweden too in the 90-00s. I wasn't taught long division until I had to divide polynomials in my last year of high school, and that course was an elective.

Apart from the long division method pointing out that division is just repeated subtraction, that's the only reason to use it.

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