Ta có:
\(\dfrac{20}{100}=\dfrac{1}{5}\)
\(\dfrac{7}{35}=\dfrac{1}{5}\)
\(\dfrac{8}{20}=\dfrac{2}{5}\)
\(\dfrac{12}{60}=\dfrac{1}{5}\)
\(\dfrac{25}{50}=\dfrac{1}{2}\)
\(\Rightarrow\dfrac{20}{100}=\dfrac{7}{35}=\dfrac{12}{60}\)
\(\dfrac{20}{100}=\dfrac{7}{35}=\dfrac{12}{60}\)
`20/100=1/5`
`7/35= 1/5`
`8/20= 2/5`
`12/60=1/5`
`25/50= 1/2`
`=>20/100=7/35=12/60`