Question

Tìm a \(\dfrac{12}{a}\)=\(\dfrac{15}{20}\)

Answer 1

\(\dfrac{12}{a}=\dfrac{15}{20}\)
\(\dfrac{12}{a}=\dfrac{3}{4}\)
\(a=\dfrac{12\times4}{3}\)
\(a=16\)

Answer 2

=>12/a=3/4

=>a=16

Answer 3

\(\dfrac{12}{a}=\dfrac{15}{20}\)

\(\Rightarrow\dfrac{12}{a}=\dfrac{3}{4}\)

\(\Rightarrow12\times4=3\times a\)

\(\Rightarrow3\times a=48\)

\(\Rightarrow a=48:3=16\)

Answer 4

12:a = \(\dfrac{15}{20}\)

     a =12: \(\dfrac{15}{20}\)

     a = 16

Answer 5

tui nghĩ là 16

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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Answer 6

\(\dfrac{12}{a}=\dfrac{15}{20}\)

\(\Rightarrow a\times15=12\times20\)

\(\Rightarrow a\times15=240\)

\(\Rightarrow a=240:15\)

\(\Rightarrow a=16\)