Question

Answer 1

giúp mik vs

 

Answer 2

b: \(\Leftrightarrow2x=\dfrac{11}{14}:\dfrac{11}{7}=\dfrac{1}{2}\)

hay x=1/4

b: \(\Leftrightarrow x\cdot\dfrac{-2}{3}=\dfrac{3}{10}-\dfrac{1}{5}=\dfrac{1}{10}\)

hay \(x=-\dfrac{1}{10}:\dfrac{2}{3}=\dfrac{-1}{10}\cdot\dfrac{3}{2}=\dfrac{-3}{20}\)

Answer 3

b)x:4/28=347/285

=>x=347/1995

b)2x=1/2

=>x=1/4

b)-2/3x=1/10

=>x=-3/20

Chúc em học tốt

Answer 4

-3/20

HT