Question

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Answer 1

Explicación paso a paso:

A)

$\frac{5}{3} - ( \frac{2}{5} \times \frac{7}{2} ) + \frac{1}{3} \\ = \frac{5}{3} - ( \frac{14}{10} ) + \frac{1}{3} \\ = \frac{5}{3} - \frac{14}{10} + \frac{1}{3} \\ = \frac{50 - 42 + 10}{30} \\ = \frac{18}{30} \\ = \frac{3}{5}$

B)

$\frac{5}{3} - ( \frac{2}{5} \times \frac{7}{2} - \frac{1}{3} ) \\ = \frac{5}{3} - (\frac{14}{10} - \frac{1}{3} ) \\ = \frac{5}{3} - \frac{14}{10} + \frac{1}{3} \\ = \frac{50 - 42 + 10}{30} \\ = \frac{18}{30} \\ = \frac{3}{}$

C)

$( \frac{2}{5} \times 5 - \frac{3}{4} ) \times \frac{7}{2} \\ = (2 - \frac{3}{4} ) \times \frac{7}{2} \\ = (\frac{8 - 3}{4} ) \times \frac{7}{2} \\ = \frac{5}{4} \times \frac{7}{2} \\ = \frac{35}{8}$

D)

$(( \frac{7}{3} ) \times \frac{4}{5} - 2) \times \frac{5}{3} \\ = ( \frac{28}{15} - 2) \times \frac{5}{3} \\ = ( \frac{28 - 30}{15} ) \times \frac{5}{3} \\ = - \frac{2}{15} \times \frac{5}{3} \\ = - \frac{2}{9}$