1:
6
+ 5
2:
4
+ 3
3:
9
+ 1
4:
7
- 6
5:
4
- 2
6:
.
9
- 2
7:
.
8
+ 4
8:
9
+ 5
9:
3
+ 3
10:
15
- 5
11:
12
- 9
12:
10
- 6
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Copyright
2001 Teaching Treasures Publications
