Question

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Answer 1

Resposta:

a)

$\frac{7}{40}$

b)

$\frac{129}{40}$

c)

$\frac{9}{8}$

d)

$\frac{112}{9}$

Explicação passo-a-passo:

a)

$( \frac{1}{4} ) \times ( \frac{1}{5} ) \div ( \frac{2}{7} ) \\ \\ \frac{1}{4} \times \frac{1}{5} \times \frac{7}{2} \\ \\ \frac{7}{40}$

b)

$( \frac{3}{4} ) \div ( \frac{2}{7} ) + ( \frac{3}{5} ) \\ \\ \frac{3}{4} \times \frac{7}{2} + \frac{3}{5} \\ \\ \frac{21}{8} + \frac{3}{5} \\ \\ \frac{129}{40}$

c)

$\frac{3}{4} \div \frac{2}{7} \div \frac{7}{3} \\ \\ \frac{3}{4} \times \frac{7}{2} \div \frac{7}{3} \\ \\ \frac{3}{4} \times \frac{1}{2} \times 3 \\ \\ \frac{9}{8}$

d)

$\frac{2}{3} \div \frac{3}{7} \div \frac{1}{8} \\ \\ \frac{2}{3} \times \frac{7}{3} \times 8 \\ \\ \frac{112}{9}$

SE POSSÍVEL DA LIKE NA MINHA RESPOSTA , AGRADEÇO, bjs :)