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 - %% B: Aufgaben zu Bruchrechnungen
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 - %% Multiplikation
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 - \begin{frage}[2]
 -   Multiplizieren Sie:
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 -   \leserluft{}
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 -  $(x+1)\frac{1-\frac{1}{x}}{1+\frac{1}{x}}$ =  .......... \TRAINER{$x-1$}
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 - \platzFuerBerechnungen{5}  
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 - \end{frage}
 
 
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