Question

Resolva a expressão [(1/2+2/5)x(1/2)²]÷1/2​

Answer 1

Resposta:

$\text{Leia abaixo}$

Explicação passo-a-passo:

$[(\dfrac{1}{2} + \dfrac{2}{5}) \times (\dfrac{1}{2})^2] \div \dfrac{1}{2}$

$[\dfrac{5 + 4}{10} \times \dfrac{1}{4}] \div \dfrac{1}{2}$

$[\dfrac{9}{10} \times \dfrac{1}{4}] \div \dfrac{1}{2}$

$\dfrac{9}{40} \div \dfrac{1}{2}$

$\dfrac{9}{40} \times \dfrac{2}{1}$

$\boxed{\boxed{\dfrac{18}{40} = \dfrac{9}{20}}}$