Question

Quantos vale × ?


A) 3/× =1/4


B)×\4=3/2

Answer 1

Boa tarde!

A)

$\frac{3}{x} = \frac{1}{4} \\ 3.4 = x.1 \\ 12 = x$

B)

$\frac{x}{4} = \frac{3}{2} \\ 2.x = 3.4 \\ 2.x = 12 \\ x = \frac{12}{2} \\ x = 6$

Espero ter ajudado!