Question

[18 ÷(48)] ao quadrado

Answer 1

[18 ÷48]²
18 . 18 ÷ 48 . 48
324 ÷ 2.304    (÷4)
81 ÷ 576     (÷9)
9 ÷ 64

Resposta: 9/64

Answer 2

$~[18\div(48)]^2= \\ \\ ( \frac{18}{48} )^2= simplificando~~( \frac{18:6}{48:6})^2 = (\frac{3}{8} )^2= \frac{9}{64}$