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덧셈 2자리 X 2자리

		2	6
		6	4
		9	0

		3	1
		4	1
		7	2

		1	2
		7	4
		8	6

	2	8
	9	1
1	1	9

	9	2
	2	9
1	2	1

	4	7
	5	4
1	0	1

		3	5
		6	1
		9	6

		2	4
		5	5
		7	9

		4	8
		2	0
		6	8

		4	2
		3	3
		7	5

		2	5
		5	1
		7	6

		2	6
		1	5
		4	1

	2	6
	8	2
1	0	8

		2	3
		6	1
		8	4

		1	5
		1	1
		2	6