[New-bugs-announce] [issue44551] Substraction: unprecise result

[user_0101]

New submission from user_0101 <mmir at seznam.cz>:

```
>>> 2.11-1.56
0.5499999999999998
```

----------
messages: 396862
nosy: user_0101
priority: normal
severity: normal
status: open
title: Substraction: unprecise result
versions: Python 3.8

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue44551>
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