1:
12
+ 7
2:
.
10
+ 7
3:
15
+ 5
4:
17
- 2
5:
18
- 5
6:
.
14
- 3
7:
12
+ 6
8:
17
+
3
9:
19
+ 5
10:
15
- 9
11:
12
- 7
12:
10
- 6
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Copyright
2001 Teaching Treasures Publications
