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------------------------------------- = ------------------------ =
9/2-16/3:(-1/3) ! 9/2-16/3*(-3/1)
-7/2+9/4 ! -14/4+9/4 ! -5/4
------------ = ------------- = ------- = -5/4:(-23/2)=-5/4 * (-2/23)=
9/2-16 ! -23/2 ! -23/2
=5/23
tu gdzie masz wykrzykniki są przerwy działań