a: \(x=\dfrac{14}{5}:\dfrac{2}{3}=\dfrac{14}{5}\cdot\dfrac{3}{2}=\dfrac{42}{10}=4,2\)
b: \(x-\dfrac{13}{6}=\dfrac{7}{24}\)
nên \(x=\dfrac{7}{24}+\dfrac{13}{6}=\dfrac{7}{24}+\dfrac{52}{24}=\dfrac{59}{24}\)
\(\dfrac{14}{5}:x=\dfrac{2}{3}\)
\(x=\dfrac{14}{5}:\dfrac{2}{3}\)
\(x=\dfrac{14}{5}\times\dfrac{3}{2}\)
\(x=\dfrac{21}{5}\)
b) \(x-\dfrac{13}{6}=\dfrac{7}{12}:2\)
\(x-\dfrac{13}{6}=\dfrac{7}{24}\)
\(x=\dfrac{7}{24}+\dfrac{13}{6}\)
\(x=\dfrac{59}{24}\)
`a)14/5:x=2/3`
`x=14/5:2/3`
`x=14/5xx3/2=21/5`
`b)x-13/6=7/12:2`
`x-13/6=7/12xx1/2=7/24`
`x=7/24+13/6`
`x=7/24+52/24=59/24`
`a) x=14/5:2/3`
`x=21/5`
`b) x-13/6=1/7`
`x=1/7+13/6`
`x=97/42`
\(a,\) \(\dfrac{14}{5}:x=\dfrac{2}{3}\)
\(x=\dfrac{14}{5}:\dfrac{2}{3}\)
\(x=\dfrac{14}{5}\times\dfrac{3}{2}\)
\(x=\dfrac{21}{5}\)
\(b,\) \(x-\dfrac{13}{6}=\dfrac{7}{12}:2\)