1) 14+7-1 20 2
1--------- = 1---- = 1---
30 30 3
2) 29+22+18 69 29
5-------------- = 5---- = 6----
40 40 40
3) 12+13-23 12 1
3------------- = 3----- = 3--
24 24 2
4) 59+2-32 29
1----------- = 1----
60 60
--------------------------------------------------
1) 8+1-9 0
5-------- = 5---- = 0
10 10
2) 4+2-1 7
14-------- = 14--
8 8
3) 11-9+10 12
14----------- = 14---- = 15
12 12
4) 14-12+3 5
3----------- = 3----
18 18