Question

efetue as operaçoes e apresente a resposta da forma simplificada A)3/8÷2/5
B)7/10÷3​

Answer 1

Resposta:

$\textsf{Leia abaixo}$

Explicação passo a passo:

$\mathsf{a)\:\left(\dfrac{3}{8}\right)\div\left(\dfrac{2}{5}\right) = \left(\dfrac{3}{8}\right)\times\left(\dfrac{5}{2}\right) = \boxed{\boxed{\dfrac{15}{16}}}}$

$\mathsf{b)\:\left(\dfrac{7}{10}\right)\div\left(\dfrac{3}{1}\right) = \left(\dfrac{7}{10}\right)\times\left(\dfrac{1}{3}\right) = \boxed{\boxed{\dfrac{7}{30}}}}$

Answer 2

Explicação passo-a-passo:

$a) \: \: \frac{3}{8} \div \frac{2}{5} = \frac{3}{8} \times \frac{5}{2} = \frac{15}{16}$

$b) \: \: \frac{7}{10} \div 3 = \frac{7}{10} \times \frac{1}{3} = \frac{7}{30}$

bons estudos!