Question

1°resolva as expressões:
a)
$\frac{3}{4} \times \sqrt \frac{25}{36} - ( \frac{6}{5} \div \frac{12}{5} + \frac{1}{4} )^{3}$
b)
$\frac{7}{3} + \sqrt \frac{49}{64} \div \frac{21}{8} - ( \frac{3}{8} \times \frac{16}{9})^{2}$
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Answer 1

Aqui as resoluções das questões.