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곱셈 2자리 X 1자리

	3	7
		4
1	4	8

	3	8
		3
1	1	4

		2	7
			1
		2	7

	5	6
		6
3	3	6

	6	2
		7
4	3	4

	6	0
		6
3	6	0

	5	1
		5
2	5	5

	5	2
		6
3	1	2

		1	0
			1
		1	0

		2	8
			2
		5	6

	6	1
		4
2	4	4

	4	5
		7
3	1	5

	4	1
		7
2	8	7

	5	6
		3
1	6	8

	3	1
		8
2	4	8