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[neue Formel]
:(71)\left|{:\left(-71\right)}\right.

[neue Formel]
  \;

[neue Formel]
  \;

50\left|{-50}\right.

[neue Formel]
:12\left|{:12}\right.

[neue Formel]
  \;


  \;

6x+6=486x+6=48
6\left|{-6}\right.



[neue Formel]