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곱셈 2자리 X 1자리

	5	4
		7
3	7	8

	2	6
		8
2	0	8

	2	4
		6
1	4	4

	4	8
		9
4	3	2

		1	6
			1
		1	6

		5	9
			1
		5	9

	6	5
		6
3	9	0

	9	6
		6
5	7	6

	2	5
		7
1	7	5

	4	3
		3
1	2	9

	3	1
		6
1	8	6

		2	5
			1
		2	5

	1	9
		7
1	3	3

	2	5
		5
1	2	5

		2	0
			1
		2	0