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ADDITION Self-Correcting Quiz - EIGHTS

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