\(=\left(\dfrac{1}{2}-\dfrac{1}{4}\right):\dfrac{3}{2}-\dfrac{5}{13}.\dfrac{3}{10}\\= \left(\dfrac{2-1}{4}\right):\dfrac{3}{2}-\dfrac{3}{26}\\ =\dfrac{1}{4}:\dfrac{3}{2}-\dfrac{3}{26}\\ =\dfrac{1}{6}-\dfrac{3}{26}\\ =\dfrac{26-3.6}{156}\\ =\dfrac{2}{39}\)
`(0,5-(1)/(4)):(3)/(2)-(5)/(13):(10)/(3)`
`=((1)/(2)-(1)/(4))xx(2)/(3)-(5)/(13)xx(3)/(10)`
`=((2)/(4)-(1)/(4))xx(2)/(3)-(5xx3)/(13xx5xx2)`
`=(1)/(4)xx(2)/(3)-(3)/(13xx2)`
`=(1xx2)/(2xx2xx3)-(3)/(26)`
`=(1)/(2xx3)-(3)/(26)`
`=(1xx13-3xx3)/(78)`
`=(4)/(78)=2/39`
=\(\dfrac{1}{4}:\dfrac{3}{2}-\dfrac{5}{13}:\dfrac{10}{3}\)
=\(\dfrac{1}{6}-\dfrac{3}{26}\)
=\(\dfrac{2}{39}\)
