Enunciado
Calcule:
$\dfrac{\left( \dfrac{4}{5} – \dfrac{6}{10} + \dfrac{1}{4} \right) \times \dfrac{5}{3}}{\dfrac{10}{7}-\dfrac{10}{9}}$
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Calcule:
$\dfrac{\left( \dfrac{4}{5} – \dfrac{6}{10} + \dfrac{1}{4} \right) \times \dfrac{5}{3}}{\dfrac{10}{7}-\dfrac{10}{9}}$