Question

x:1/7=14

giải chi tiết hộ mk

 

Answer 1

\(x:\dfrac{1}{7}=\dfrac{1}{4}\\ \Rightarrow x=\dfrac{1}{4}.\dfrac{1}{7}\\ \Rightarrow x=\dfrac{1.1}{4.7}\\ \Rightarrow x=\dfrac{1}{28}\)

Answer 2

x:17=14⇒x=14.17⇒x=1.14.7x=128

Answer 3

\(x:\dfrac{1}{7}=14\)

<=> \(\dfrac{1}{7x}=14\)

ĐKXĐ: x\(\ne\)0

<=> 1 = 14 . 7x

<=> 98x =1

<=> x = \(\dfrac{1}{98}\)

Answer 4

\(x:\dfrac{1}{7}=14\)

\(x=4.\dfrac{1}{7}\)

\(\Rightarrow x=....\)

Answer 5

Ai đúng vậy các bn

Answer 6

ILoveMath sai đề kìa

Answer 7

Ta có: \(x:\dfrac{1}{7}=14\)

\(\Leftrightarrow x=14\cdot\dfrac{1}{7}\)

hay x=2