Question

làm hộ  mình mình tick cho

Answer 1

\(\dfrac{2}{3}=\dfrac{2.5.4}{3.5.4}=\dfrac{40}{60}\)

\(\dfrac{1}{5}=\dfrac{1.3.4}{5.3.4}=\dfrac{12}{60}\)

\(\dfrac{1}{4}=\dfrac{1.5.3}{4.5.3}=\dfrac{15}{60}\)

 

Answer 2

\(\dfrac{2}{3}=\dfrac{2.5.4}{3.5.4}=\dfrac{40}{60}\)

 

\(\dfrac{1}{5}=\dfrac{1.3.4}{5.3.4}=\dfrac{12}{60}\)

 

\(\dfrac{1}{4}=\dfrac{1.5.3}{4.5.3}=\dfrac{15}{60}\)

Answer 3

5,4,60,3,60,3,3,15,60

Answer 4

\(\dfrac{2}{3}\)=\(\dfrac{2.5.4}{3.5.4}\)=\(\dfrac{40}{60}\)

\(\dfrac{1}{5}\)=\(\dfrac{1.3.4}{5.3.4}\)=\(\dfrac{12}{60}\)

\(\dfrac{1}{4}\)=\(\dfrac{1.5.3}{4.5.3}\)=\(\dfrac{15}{60}\)