3/5 : x = 5/6 - 1/3
3/5 : x = 1/2
x = 3/5 : 1/2
x = 6/5
Cái này lớp 4 mà
3/5 : x = 5/6 - 1/3
3/5 : x = 1/2
x = 3/5 : 1/2
x = 6/5
\(\dfrac{5}{3}\times x+\dfrac{1}{3}=\dfrac{5}{6}\)
\(\dfrac{5}{3}\times x=\dfrac{5}{6}-\dfrac{1}{3}\)
\(\dfrac{5}{3}\times x=\dfrac{5}{6}-\dfrac{2}{6}\)
\(\dfrac{5}{3}\times x=\dfrac{1}{2}\)
\(x=\dfrac{1}{2}:\dfrac{5}{3}\)
\(x=\dfrac{1}{2}\times\dfrac{3}{5}\)
\(x=\dfrac{3}{10}\)
3/5:x =5/6-1/3
3/5:x = 2/3
x =3/5:2/3
x = 9/10
hok tốt!
3/5 : x = 5/6 - 1/3
3/5 : x = 1/2
x = 3/5 : 1/2
x = 6/5