1.

\(\frac{1}{7} + [\frac{7}{9} - (\frac{3}{9} + \frac{2}{9}) - \frac{2}{9}]\) is equal to _____.

A. \(\frac{1}{9}\)
B. \(\frac{3}{7}\)
C. \(\frac{2}{9}\)
D. \(\frac{1}{7}\)
Answer» E.


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