`0,75+(-1/3)-5/18`
`=3/4-1/3-5/18`
`=27/36-12/36-10/36`
`=5/36`
\(=\dfrac{3}{4}-\dfrac{1}{3}-\dfrac{5}{18}=\dfrac{27-12-10}{36}=\dfrac{5}{36}\)
`@V.Tr.V`
0.75 = 3/4
ta có: 3/4 - 1/3 - 5/18
= 5 / 36
`0,75+(-1/3)-5/18`
`=3/4+(-6/18)-5/18`
`=3/4+(-11/18)`
`=27/36+(-22/36)`
`=5/36`
`@T`