математики, решите даю 50 балов

=)(1906/100)*(63/5)-(10039/200)/125/100))/30+(87/10)=((953/50)*(63/5)-(10039/200)*(100/125))*(1/30)+(87/10)=((60039-10039)/250)*(1/30)+(87/10)=(50000/250)*(1/30)+(87/10)=(200/30)+(87/10)=(200+3*87)/30=461/30=15 11/30