(1又1/1992*3.6+3又3/5*8又1991/1992)除9又3/5除3又3/4

(1又1/1992*3.6+3又3/5*8又1991/1992)除9又3/5除3又3/4
(1又1/1992*3.6+3又3/5*8又1991/1992)除9又3/5除3又3/4

(1又1/1992*3.6+3又3/5*8又1991/1992)除9又3/5除3又3/4
(1又1/1992*3.6+3又3/5*8又1991/1992)除9又3/5除3又3/4
={(1993/1992)*3.6+(18/5)*(9*1992-1)/1992}/[(48/5)*(4/15)]
=[1993*3.6/1992+18*(9*1992-1)/(5*1992)]/(64/25)
={[1993*18+18*(1992*9-1)]/(5*1992)}/(64/25)
=[18*(1993-1+1992*9)]/(5*1992)}/(64/25)
=(18*1992*10)/(5*1992)}/(64/25)
=36/(64/25)
=36*25/64=225/16

[(1+1/1992)*3.6+(3+3/5)*(8+1991/1992)]/(9+3/5)/(3+4/3)=3.6*(1+1/1992+8+1991/1992)/(9+3/5)/(3+4/3)=3.6*10/(48/5)/(13/3)=36*(5/48)*(3/13)=90/104=45/52