Bereken
\(-\left(\frac{4}{-9}\right)
+\left(\frac{-4}{-5}\right)
-\left(\frac{-9}{-12}\right)\)
\(-\left(\frac{4}{-9}\right)
+\left(\frac{-4}{-5}\right)
-\left(\frac{-9}{-12}\right)\\= \frac{4}{9}+
\frac{4}{5}-\frac{9}{12}\\=\frac{4}{9}+\frac{4}{5}-\frac{3}{4}\\=\frac{80}{180}+\frac{144}{180}-\frac{135}{180}\\=\frac{80+144-135}{180}\\=\frac{89}{180}\)
Oefeningengenerator
vanhoeckes.be/wiskunde 2024-04-29 10:58:15