9цел 9/10: (79 цел3/16-1 цел1/12-77 цел1/2+2 19/48)*(37цел 41/45-36цел 4/5)

1)79 3/16-1 1/12-77 1/2+2 19/48=79 9/48-1 4/48-77 24/48+2 19/48=
=81 28/48-78 28/48=3
2)37 41/45-36 4/5=37 41/45-36 36/45=1 5/45=1 1/9
3)9 9/10:3*1 1/9=99/10*1/3*10/9=11/3=3 2/3