Question 6: Do the calculation: ( left( {frac{5}{7} – frac{7}{5}} right) – left[ {frac{1}{2} – left( { – frac{2}{7} – frac{1}{{10}}} right)} right])

Question 6: Do the calculation: ( left( {frac{5}{7} – frac{7}{5}} right) – left[ {frac{1}{2} – left( { – frac{2}{7} – frac{1}{{10}}} right)} right]) A. ( frac{{11}}{7}) B. (- frac{{11}}{7}) C. ( frac{{12}}{7}) D. (- frac{{12}}{7}) (begin{array}{*{20}{l}} {left( {frac{5}{7} – frac{7}{5}} right) – left[ {frac{1}{2} – left( { – frac{2}{7} – frac{1}{{10}}} right)} right]}\ { = …

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