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SUBTRACTION Self-Correcting Quiz - ZEROS

1
5
-  0
2
8
-  0
3
9
-  0
4
3
-  0
5
8
-  0
6
3
-  0
7
7
-  0
8
1
-  0
9
4
-  0
10
2
-  0
11
7
-  0
12
4
-  0
13
9
-  0
14
1
-  0
15
6
-  0
16
6
-  0
17
2
-  0
18
5
-  0
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