1) 8 - 4 = = = = = 1
2) = 2 = = = =
4) = =
8 3/7-4 2/5=4 3/7-2/5=4 15-14/35=4 1/35
6 11/15-2 7/10=4 11/15-7/10=4 22-21/30=4 1/30
16 17/18-2 11/12=14 17/18-11/12=14 34-33/36=14 1/36
18 13/48-5 3/64=13 13/48-3/64=13 52/192-9/192=13 43/192
1) 8
- 4
= 
= 
= 
= 
= 1 
2)
= 2
= 
= 
= ![\frac{15}{5} = 33) 16 [tex]\frac{17}{18} - 2 \frac{11}{12} = 8 \frac{17}{9} - 2 \frac{11}{12} = 8 \frac{17}{9} - \frac{11}{6}](/tpl/images/0942/1570/d978d.png)
= 
4)![18 \frac{13}{48} - 5 \frac{3}{64} = [tex]3 \frac{13}{8} - 5 \frac{3}{64} =3\frac{13}{8} - \frac{15}{64}](/tpl/images/0942/1570/7b578.png)
= 
= 
Не забудьте про обозначение сокращений!8 3/7-4 2/5=4 3/7-2/5=4 15-14/35=4 1/35
6 11/15-2 7/10=4 11/15-7/10=4 22-21/30=4 1/30
16 17/18-2 11/12=14 17/18-11/12=14 34-33/36=14 1/36
18 13/48-5 3/64=13 13/48-3/64=13 52/192-9/192=13 43/192