Question

3/5 cộng 2/5 chia x =4/5

Answer 1

\(\frac{3}{5}+\frac{2}{5}:x=\frac{4}{5}\)

\(=>\frac{2}{5}:x=\frac{4}{5}-\frac{3}{5}\)

\(=>\frac{2}{5}:x=\frac{1}{5}\)

\(=>x=\frac{2}{5}:\frac{1}{5}\)

\(=>x=2\)

Vậy x = 2

Answer 2

3/5 + 2/5 : x = 4/5

2/5 : x = 1/5

x = 1/2

Answer 3

\(\frac{3}{5}+\frac{2}{5}:x=\frac{4}{5}\)

            \(\frac{2}{5}:x=\frac{4}{5}-\frac{3}{5}\)

              \(\frac{2}{5}:x=\frac{1}{5}\)   

                     \(x=\frac{2}{5}:\frac{1}{5}\)

                     \(x=\frac{10}{5}=2\)

Answer 4

3/5 + 2/5 : x = 4/5

         2/5 : x = 4/5 - 3/5

         2/5 : x = 1/5

                  x = 2/5 : 1/5

                  x = 10/5 = 2

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