1.

\(5\frac{1}{5} - \left[ {3\frac{1}{2} - \left\{ {\frac{5}{6} - \left( {\frac{3}{5}\; + \;\frac{1}{{10}} - \frac{4}{{15}}} \right)} \right\}} \right]\) is equal to∶

A. 21/10
B. 7/5
C. 7/3
D. 8/3
Answer» B. 7/5


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