Question

x chia 2/3 +1/3 bang 4/5

 

Answer 1

\(x:\frac{2}{3}+\frac{1}{3}=\frac{4}{5}\)

\(x\cdot\frac{3}{2}=\frac{4}{5}-\frac{1}{3}\)

\(x\cdot\frac{3}{2}=\frac{7}{15}\)

       \(x=\frac{7}{15}:\frac{3}{2}\)

       \(x=\frac{14}{45}\)         

Answer 2

x chia 2/3 + 1/3 bang 4/5

x nhan 3/2 +1/3 bang 4/5

x nhan 3/2+1/3 ] bang 4/5

x nhan 11/6 bang 4/5

x bang 11/6 nhan 4/5

x bang 44/30 bang 22/15