Question

tìm x biết

\(x:\dfrac{2}{7}=0,8\)

giải đầy đủ mình mới like

Answer 1

x : \(\dfrac{2}{7}\)= 0,8

= > x = 0,8 x\(\dfrac{2}{7}\)

=> x = \(\dfrac{8}{35}\)

Vậy x = \(\dfrac{8}{35}\)

Answer 2

x : \(\dfrac{2}{7}\) = 0,8

x : \(\dfrac{2}{7}\) = \(\dfrac{8}{10}\)

x = \(\dfrac{4}{5}.\dfrac{2}{7}\)

x = \(\dfrac{8}{35}\)