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ADDITION Self-Correcting Quiz - ONES

1
4
+  1
2
1
+  1
3
1
+  5
4
1
+  2
5
3
+  1
6
0
+  1
7
1
+  3
8
7
+  1
9
5
+  1
10
1
+  9
11
8
+  1
12
2
+  1
13
1
+  7
14
1
+  8
15
1
+  0
16
9
+  1
17
1
+  4
18
6
+  1
19
1
+  6
20
1
+  1
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