8,(5)-4,(3)=(85-8)/9 -(43-4)/9=(77-39)/9=38/9=4,(2)
18,(23)-7,(19)=(1823-18)/99 -(719-7)/99=1805/99 -712/99=1093/99=11,(04)
15,(4)-9,(3)=(154-15)/9-(93-9)/9=55/9=6,(1)
11,2(5)-6,1(3)=(1125-112)/90 -(613-61)/90=461/90=5,1(2)
11,3(4)-5,(6)=(1134-113)/90-(56-5)/9=1021/90 -51/9=(1021-510)/90=5,6(7)
4,(8)-2,5(57)=(48-4)/9 -(2557-25)/990=44/9 -2532/990=(4840-2532)/990=
2,3(31)