Breuken verm. (reeks 1)

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Vermenigvuldig de breuken

  1. \(\frac{9}{8} . \frac{5}{3}\)
  2. \(\frac{5}{5} . \frac{3}{8}\)
  3. \(\frac{5}{11} . \frac{9}{6}\)
  4. \(\frac{5}{12} . \frac{4}{8}\)
  5. \(\frac{12}{11} . \frac{2}{6}\)
  6. \(\frac{9}{3} . \frac{8}{3}\)
  7. \(\frac{11}{10} . \frac{5}{2}\)
  8. \(\frac{3}{9} . \frac{8}{8}\)
  9. \(\frac{8}{12} . \frac{9}{6}\)
  10. \(\frac{7}{6} . \frac{11}{11}\)
  11. \(\frac{10}{11} . \frac{7}{10}\)
  12. \(\frac{7}{8} . \frac{5}{10}\)

Vermenigvuldig de breuken

Verbetersleutel

  1. \(\frac{9}{8} . \frac{5}{3}\\=\frac{9.5}{8.3}\\=\frac{45}{24}\\=\frac{15}{8}\)
  2. \(\frac{5}{5} . \frac{3}{8}\\=\frac{1}{1} . \frac{3}{8}\\=\frac{1.3}{1.8}\\=\frac{3}{8}\)
  3. \(\frac{5}{11} . \frac{9}{6}\\=\frac{5}{11} . \frac{3}{2}\\=\frac{5.3}{11.2}\\=\frac{15}{22}\)
  4. \(\frac{5}{12} . \frac{4}{8}\\=\frac{5}{12} . \frac{1}{2}\\=\frac{5.1}{12.2}\\=\frac{5}{24}\)
  5. \(\frac{12}{11} . \frac{2}{6}\\=\frac{12}{11} . \frac{1}{3}\\=\frac{12.1}{11.3}\\=\frac{12}{33}\\=\frac{4}{11}\)
  6. \(\frac{9}{3} . \frac{8}{3}\\=\frac{3}{1} . \frac{8}{3}\\=\frac{3.8}{1.3}\\=\frac{24}{3}\\=\frac{8}{1}= 8\)
  7. \(\frac{11}{10} . \frac{5}{2}\\=\frac{11.5}{10.2}\\=\frac{55}{20}\\=\frac{11}{4}\)
  8. \(\frac{3}{9} . \frac{8}{8}\\=\frac{1}{3} . \frac{1}{1}\\=\frac{1.1}{3.1}\\=\frac{1}{3}\)
  9. \(\frac{8}{12} . \frac{9}{6}\\=\frac{2}{3} . \frac{3}{2}\\=\frac{2.3}{3.2}\\=\frac{6}{6}\\=\frac{1}{1}= 1\)
  10. \(\frac{7}{6} . \frac{11}{11}\\=\frac{7}{6} . \frac{1}{1}\\=\frac{7.1}{6.1}\\=\frac{7}{6}\)
  11. \(\frac{10}{11} . \frac{7}{10}\\=\frac{10.7}{11.10}\\=\frac{70}{110}\\=\frac{7}{11}\)
  12. \(\frac{7}{8} . \frac{5}{10}\\=\frac{7}{8} . \frac{1}{2}\\=\frac{7.1}{8.2}\\=\frac{7}{16}\)
Oefeningengenerator vanhoeckes.be/wiskunde 2022-06-27 08:25:18