Add up to 20
Addition of two numbers with sum up to 20
5
+
13
4
+
2
3
+
6
5
+
6
3
+
1
13
+
5
5
+
3
5
+
9
4
+
12
1
+
5
1
+
6
3
+
13
4
+
15
16
+
3
8
+
7
3
+
3
4
+
7
3
+
1
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v0.32.0 (production)
