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덧셈: 2 + 1

1

		5	2
			2
		5	4

2

		3	8
			1
		3	9

3

		2	3
			3
		2	6

4

		6	1
			1
		6	2

5

		2	7
			1
		2	8

6

		2	4
			3
		2	7

7

		4	2
			8
		5	0

8

		8	4
			3
		8	7

9

		6	5
			5
		7	0

10

		1	1
			6
		1	7

11

		2	2
			1
		2	3

12

		6	3
			8
		7	1

13

		7	2
			7
		7	9

14

		2	5
			1
		2	6

15

		5	3
			1
		5	4

▲

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