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곱셈 2자리 X 1자리

	5	4
		5
2	7	0

	6	1
		6
3	6	6

	5	9
		5
2	9	5

	5	8
		9
5	2	2

	6	1
		8
4	8	8

	4	1
		7
2	8	7

	4	1
		4
1	6	4

	5	7
		3
1	7	1

		1	6
			5
		8	0

	2	3
		6
1	3	8

		1	2
			5
		6	0

	3	0
		8
2	4	0

	4	6
		5
2	3	0

		2	8
			2
		5	6

	3	0
		6
1	8	0