Question

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\(\frac{309}{412}\)=    \(\frac{2014-a}{512}\) 

giải ra mk cho 3k

Answer 1

\(\frac{309}{412}=\frac{2014-a}{512}\)

\(\Rightarrow412\times\left(2014-a\right)=309\times512\)

\(\Rightarrow412\times\left(2014-a\right)=158208\)

\(\Rightarrow2014-a=158208:412\)

\(\Rightarrow2014-a=384\)

\(\Rightarrow a=2014-384\)

\(\Rightarrow x=1630\)

Answer 2

a=1633,728155