==== 24. Oktober bis 28. Oktober ==== === 2. Wochenlektion === Berechnen Sie: - $$\left(\frac{9}{5}-\frac{7}{3}\right)\cdot-\frac{45}{32}$$ - $$\left(\frac{7}{2}-\frac{9}{4}\right)\cdot\frac{12}{25}$$ - $$\left(\frac{4}{5}+\frac{3}{2}\right)\cdot\frac{4}{23}$$ - $$\left(\frac{27}{15}-\frac{35}{15}\right)\cdot-\frac{45}{32}=-\frac{8}{15}\cdot-\frac{45}{32}=\frac{3}{4}$$ - $$\left(\frac{14}{4}-\frac{9}{4}\right)\cdot\frac{12}{25}=\frac{5}{4}\cdot\frac{12}{25}=\frac{3}{5}$$ - $$\left(\frac{8}{10}+\frac{15}{10}\right)\cdot\frac{4}{23}=\frac{23}{10}\cdot\frac{4}{23}=\frac{2}{5}$$ === 3. Wochenlektion (Freitag) === Berechnen Sie: - $$-\frac{3}{4}\cdot\frac{64}{45}+\frac{8}{3}$$ - $$-\frac{3}{2}\cdot-\frac{53}{15}-\frac{4}{5}$$ - $$\frac{3}{5}\cdot\frac{95}{18}-\frac{5}{3}$$ - $$-\frac{16}{15}+\frac{8}{3}=-\frac{16}{15}+\frac{40}{15}=\frac{8}{5}$$ - $$\frac{53}{10}-\frac{4}{5}=\frac{53}{10}-\frac{8}{10}=\frac{9}{2}$$ - $$\frac{19}{6}-\frac{5}{3}=\frac{19}{6}-\frac{10}{6}=\frac{3}{2}$$