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Solution to: Long Division

Replace the dots by letters as follows:

a b 9 / 6 c 8 d e f \ g 5 3
        h i j 2
        -------
          k 9 l m
          n p 4 q
          -------
            r s 4 t
            u v w x
            -------
                  0

Because the long division ends without remainder, we know that:

We conclude:

a b 9 / 6 c 8 d e f \ g 5 3
        h i j 2
        -------
          k 9 l e
          n p 4 q
          -------
            r s 4 f
            r s 4 f
            -------
                  0

In addition, the following holds:

This results in:

Now, the other digits can automatically be derived, since both numerator and denominator are known. The complete long division looks like:

7 4 9 / 6 3 8 8 9 7 \ 8 5 3
        5 9 9 2
        -------
          3 9 6 9
          3 7 4 5
          -------
            2 2 4 7
            2 2 4 7
            -------
                  0

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