Add up to 20
Addition of two numbers with sum up to 20
6
+
2
4
+
16
7
+
9
3
+
11
4
+
9
13
+
4
3
+
14
2
+
1
4
+
2
9
+
6
7
+
4
3
+
11
15
+
2
1
+
16
9
+
1
10
+
8
1
+
10
1
+
6
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v0.32.0 (production)