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곱셈 2자리 X 1자리

	6	2
		7
4	3	4

	5	1
		9
4	5	9

	5	8
		5
2	9	0

		1	4
			6
		8	4

		1	2
			1
		1	2

	4	5
		9
4	0	5

	6	0
		3
1	8	0

	7	7
		5
3	8	5

	2	2
		7
1	5	4

	9	6
		2
1	9	2

	7	2
		2
1	4	4

	9	3
		5
4	6	5

	2	4
		7
1	6	8

	5	2
		6
3	1	2

		1	2
			5
		6	0