Question

\(\frac{5}{x}=\frac{10}{20}\)  Tìm X

Answer 1

\(\Rightarrow\)\(\frac{10\div2}{20\div2}\)\(=\) \(\frac{5}{10}\)

\(\Rightarrow\)\(x\)\(=\)\(10\)

Answer 2

5/x=10/2*x=10/20.

=>2x=20.

=>x=10.

Vậy x=10.

Answer 3

\(\Rightarrow5\cdot20=10x\Rightarrow10x=100\Rightarrow x=10\)

Answer 4

=>5.20=10x

      100=10x

x=100:10

x=10

Answer 5

Do la buoc quy dong do

Answer 6

Ta có : 5/x=10/20

          =>5/x=5/10

          =>x=10

Vậy x=10