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덧셈: 2 + 1

1

		7	5
			4
		7	9

2

		3	5
			4
		3	9

3

		2	5
			4
		2	9

4

		6	4
			3
		6	7

5

		1	1
			1
		1	2

6

		5	8
			2
		6	0

7

		4	7
			7
		5	4

8

		2	4
			5
		2	9

9

		1	8
			5
		2	3

10

		6	3
			2
		6	5

11

		1	4
			7
		2	1

12

		6	0
			2
		6	2

13

		3	6
			4
		4	0

14

		2	2
			9
		3	1

15

		5	6
			1
		5	7

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