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ADDITION Self-Correcting Quiz - Up Through the ONES

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