1:
.
9
+ 4
2:
6
+ 3
3:
8
+ 2
4:
9
- 5
5:
7
- 3
6:
.
6
- 2
7:
.
7
+ 5
8:
8
+
4
9:
5
+ 3
10:
16
- 8
11:
13
- 6
12:
12
- 5
back
©
Copyright
2001 Teaching Treasures Publications