Răspuns:
[tex]( \frac{7}{5} \div \frac{14}{15} + \frac{3}{2} \div ( \frac{9}{4} - 1 \frac{1}{2} )) \times \frac{2}{7} = \\ \frac{7}{5} \times \frac{15}{14} + \frac{3}{2} \div ( \frac{9}{4} - \frac{3}{2} )) \times \frac{2}{7} = \\ ( \frac{3}{2} + \frac{3}{2} \div \frac{3}{4} ) \times \frac{2}{7} = \\ ( \frac{3}{2} + \frac{3}{2} \times \frac{4}{3} ) \times \frac{2}{7} = \\ ( \frac{3}{2} + 2) \times \frac{2}{7} = \\ \frac{7}{2} \times \frac{2}{7} = \\ 1[/tex]
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