すると、pythonに移植しても同じ結果ということか。

IPython 6.5.0 -- An enhanced Interactive Python.
C:\bin\Anaconda3\lib\site-packages\ipykernel\parentpoller.py:116: UserWarning: Parent poll failed. If the frontend dies,
the kernel may be left running. Please let us know
about your system (bitness, Python, etc.) at
ipython-dev@scipy.org
ipython-dev@scipy.org""")

(1.2-1)*5==1
Out[1]: False

(1.2-1)*5>1

Out[2]: False

(1.2-1)*5<1

Out[3]: True

(1.2-1)*5
Out[4]: 0.9999999999999998