2) 9 9/10:(79 3/16-1 1/12-77 1/2+2 19/48)×(37 41/45-36 4/5)=
=9 9/10:(79 9/48-1 4/48-77 24/48+2 19/48)×(37 41/45-36 36/45)=
=9 9/10:3×1 1/9= 3 3/10×1 1/9= 3 2/3
3)14 94/99+1/29×8 1/18+5 19/22-4 23/44×4+1 5/16:3/4=
=14 94/99+5/18+5 19/22-18 1/11+1 3/4=
=15 5/22+5 19/22-18 1/11+1 3/4=
=21 1/11-18 1/11+1 3/4=3+1,75=4,75