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## Homework Statement

1/7=?

## Homework Equations

## The Attempt at a Solution

Consider $$y=\overline{145827}.0=\dots145827145827145827.0$$,

then $$1000000y=\dots 145827145827000000.0$$ and $$-999999y=145827$$ .

Therefore, $$y=-\dfrac{145827}{999999}$$ . Son in fact $$\overline{145827}.0$$ is a "negative" number.

$$\dfrac{1}{7}=-\overline{145827}.0$$ However, There is no minus in Tersonian decimal expansions?? How can I show 1/7 in Tersonian decimal expansion??