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Theory

Rewrite $1$ as a fraction

The number

1

can be written as a fraction of any non-zero number divided by itself.

1 = \frac{5}{5} 1 = \frac{- 8 4 9}{- 8 4 9}

Note that

\frac{0}{0}

is not equal to

1

since division by

0

is undefined.

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