\ANG{
Berechne:
\begin{enumerate}
\item $\left(-\D\frac23\right)\cdot\D\frac{15}{22}$,\ \ \
$\left(-3\D\frac47\right)\cdot\left(-1\D\frac{1}{3}\right)$,\ \ \
$\D\frac{11}{26}\cdot\D\frac{169}{242}$
\item $\D\frac{46}{289}\cdot1\D\frac{4}{115}$,\ \ \
$\left(-2\D\frac3{22}\right)\cdot\left(-1\D\frac{2}{15}\right)$,\ \ \
$1\D\frac{1}{19}\cdot\left(-\D\frac{133}{200}\right)$
\item $1\D\frac{2}{196}\cdot\D\frac{126}{297}$,\ \ \
$3\D\frac{3}{4}\cdot\left(-2\D\frac{1}{2}\right)$,\ \ \
$\left(-7\D\frac1{33}\right)\cdot\left(-1\D\frac{16}{17}\right)$
\end{enumerate}

}
\LSG{
\begin{enumerate}
\item $-\D\frac5{11}$,\ \ \ $4\D\frac{16}{21}$,\ \ \ $\D\frac{13}{44}$
\item $\D\frac{14}{85}$,\ \ \ $2\D\frac{139}{330}$,\ \ \ $-\D\frac{7}{10}$
\item $\D\frac{3}{7}$,\ \ \ $-9\D\frac{3}{8}$,\ \ \ $13\D\frac{11}{17}$
\end{enumerate}
}
