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ADDITION Self-Correcting Quiz - Up Through the ONES

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