1.-56/5*1/8
-7/5
-1 2/5
2. 69/5:(-6)
-69/5*1/6
-23/5*1/2
-23/10
- 2 3/10
3. - 38/5:(-4)
38/5:1/4
19/5*1/2
19/10
1 9/10
4. - 75/4:(-3)
75/4*1/3
25/4
6 1/4
