Bereken
- \(-\left(\frac{7}{8}\right)
-\left(\frac{3}{7}\right)
-\left(\frac{2}{-7}\right)\)
- \(-\left(\frac{2}{9}\right)
+\left(\frac{-10}{3}\right)
+\left(\frac{7}{-3}\right)\)
- \(+\left(\frac{3}{-4}\right)
-\left(\frac{-2}{-10}\right)
+\left(\frac{-4}{8}\right)\)
- \(-\left(\frac{-3}{-2}\right)
-\left(\frac{-10}{-2}\right)
-\left(\frac{5}{-4}\right)\)
- \(+\left(\frac{5}{-9}\right)
-\left(\frac{7}{4}\right)
+\left(\frac{12}{10}\right)\)
- \(-\left(\frac{8}{-5}\right)
-\left(\frac{-6}{5}\right)
-\left(\frac{6}{-5}\right)\)
- \(+\left(\frac{-8}{-3}\right)
+\left(\frac{-10}{-3}\right)
-\left(\frac{9}{5}\right)\)
- \(+\left(\frac{-2}{7}\right)
+\left(\frac{4}{-10}\right)
-\left(\frac{6}{4}\right)\)
- \(+\left(\frac{-8}{-9}\right)
-\left(\frac{-7}{5}\right)
-\left(\frac{9}{9}\right)\)
- \(-\left(\frac{6}{-5}\right)
-\left(\frac{-2}{8}\right)
-\left(\frac{-4}{4}\right)\)
- \(-\left(\frac{2}{7}\right)
+\left(\frac{6}{9}\right)
+\left(\frac{-12}{-5}\right)\)
- \(-\left(\frac{7}{-4}\right)
-\left(\frac{3}{6}\right)
+\left(\frac{8}{-10}\right)\)
Bereken
Verbetersleutel
- \(-\left(\frac{7}{8}\right)
-\left(\frac{3}{7}\right)
-\left(\frac{2}{-7}\right)\\= \frac{-7}{8}-
\frac{3}{7}+\frac{2}{7}\\=\frac{-49}{56}-\frac{24}{56}+\frac{16}{56}\\=\frac{-49-24+16}{56}\\=\frac{-57}{56}\)
- \(-\left(\frac{2}{9}\right)
+\left(\frac{-10}{3}\right)
+\left(\frac{7}{-3}\right)\\= \frac{-2}{9}-
\frac{10}{3}-\frac{7}{3}\\=\frac{-2-10-7}{9}\\=\frac{-19}{9}\)
- \(+\left(\frac{3}{-4}\right)
-\left(\frac{-2}{-10}\right)
+\left(\frac{-4}{8}\right)\\= \frac{-3}{4}-
\frac{2}{10}-\frac{4}{8}\\=\frac{-3}{4}-\frac{1}{5}-\frac{1}{2}\\=\frac{-15}{20}-\frac{4}{20}-\frac{10}{20}\\=\frac{-15-4-10}{20}\\=\frac{-29}{20}\)
- \(-\left(\frac{-3}{-2}\right)
-\left(\frac{-10}{-2}\right)
-\left(\frac{5}{-4}\right)\\= \frac{-3}{2}-
\frac{10}{2}+\frac{5}{4}\\=\frac{-3}{2}-\frac{5}{1}+\frac{5}{4}\\=\frac{-6}{4}-\frac{20}{4}+\frac{5}{4}\\=\frac{-6-20+5}{4}\\=\frac{-21}{4}\)
- \(+\left(\frac{5}{-9}\right)
-\left(\frac{7}{4}\right)
+\left(\frac{12}{10}\right)\\= \frac{-5}{9}-
\frac{7}{4}+\frac{12}{10}\\=\frac{-5}{9}-\frac{7}{4}+\frac{6}{5}\\=\frac{-100}{180}-\frac{315}{180}+\frac{216}{180}\\=\frac{-100-315+216}{180}\\=\frac{-199}{180}\)
- \(-\left(\frac{8}{-5}\right)
-\left(\frac{-6}{5}\right)
-\left(\frac{6}{-5}\right)\\= \frac{8}{5}+
\frac{6}{5}+\frac{6}{5}\\=\frac{8+6+6}{5}\\=\frac{20}{5}\\=\frac{4}{1}\)
- \(+\left(\frac{-8}{-3}\right)
+\left(\frac{-10}{-3}\right)
-\left(\frac{9}{5}\right)\\= \frac{8}{3}+
\frac{10}{3}-\frac{9}{5}\\=\frac{40}{15}+\frac{50}{15}-\frac{27}{15}\\=\frac{40+50-27}{15}\\=\frac{63}{15}\\=\frac{21}{5}\)
- \(+\left(\frac{-2}{7}\right)
+\left(\frac{4}{-10}\right)
-\left(\frac{6}{4}\right)\\= \frac{-2}{7}-
\frac{4}{10}-\frac{6}{4}\\=\frac{-2}{7}-\frac{2}{5}-\frac{3}{2}\\=\frac{-20}{70}-\frac{28}{70}-\frac{105}{70}\\=\frac{-20-28-105}{70}\\=\frac{-153}{70}\)
- \(+\left(\frac{-8}{-9}\right)
-\left(\frac{-7}{5}\right)
-\left(\frac{9}{9}\right)\\= \frac{8}{9}+
\frac{7}{5}-\frac{9}{9}\\=\frac{8}{9}+\frac{7}{5}-\frac{1}{1}\\=\frac{40}{45}+\frac{63}{45}-\frac{45}{45}\\=\frac{40+63-45}{45}\\=\frac{58}{45}\)
- \(-\left(\frac{6}{-5}\right)
-\left(\frac{-2}{8}\right)
-\left(\frac{-4}{4}\right)\\= \frac{6}{5}+
\frac{2}{8}+\frac{4}{4}\\=\frac{6}{5}+\frac{1}{4}+\frac{1}{1}\\=\frac{24}{20}+\frac{5}{20}+\frac{20}{20}\\=\frac{24+5+20}{20}\\=\frac{49}{20}\)
- \(-\left(\frac{2}{7}\right)
+\left(\frac{6}{9}\right)
+\left(\frac{-12}{-5}\right)\\= \frac{-2}{7}+
\frac{6}{9}+\frac{12}{5}\\=\frac{-2}{7}+\frac{2}{3}+\frac{12}{5}\\=\frac{-30}{105}+\frac{70}{105}+\frac{252}{105}\\=\frac{-30+70+252}{105}\\=\frac{292}{105}\)
- \(-\left(\frac{7}{-4}\right)
-\left(\frac{3}{6}\right)
+\left(\frac{8}{-10}\right)\\= \frac{7}{4}-
\frac{3}{6}-\frac{8}{10}\\=\frac{7}{4}-\frac{1}{2}-\frac{4}{5}\\=\frac{35}{20}-\frac{10}{20}-\frac{16}{20}\\=\frac{35-10-16}{20}\\=\frac{9}{20}\)