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ADDITION Self-Correcting Quiz - SEVENS

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