Question

Tìm x
(* Chú ý: Trình bày chi tiết bài làm)

 

 

3/5 ×𝑥 = 4/7

 

Answer 1

\(x=\dfrac{4}{7}:\dfrac{3}{5}=\dfrac{4\times5}{7\times3}=\dfrac{20}{21}\)

Answer 2

=>x=4/7:3/5

x=4/7 x 5/3

x=20/21

Answer 3

\(\dfrac{3}{5}\times x=\dfrac{4}{7}\\ x=\dfrac{4}{7}:\dfrac{3}{5}\\ x=\dfrac{4}{7}\times\dfrac{5}{3}\\ x=\dfrac{20}{21}\)

Answer 4

20/21