Add up to 20

Addition of two numbers with sum up to 20

3

+

6


6

+

2


5

+

2


1

+

5


2

+

2


8

+

1


1

+

6


6

+

6


2

+

7


10

+

10


6

+

7


8

+

3


14

+

6


8

+

8


2

+

7


6

+

7


4

+

2


4

+

1


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