1.

\(3\frac{1}{5} - \left[ {2\frac{1}{2} - \left\{ {\frac{5}{6} - \left( {\frac{2}{5} + \frac{3}{{10}} - \frac{4}{{15}}} \right)} \right\}} \right] = ?\)

A. 11/10
B. 9/10
C. 13/5
D. 6/5
Answer» B. 9/10


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