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곱셈 2자리 X 1자리

	5	8
		4
2	3	2

	4	8
		8
3	8	4

	5	3
		4
2	1	2

	4	1
		6
2	4	6

	3	9
		6
2	3	4

	3	4
		7
2	3	8

		3	6
			1
		3	6

	5	8
		7
4	0	6

	4	5
		7
3	1	5

	6	1
		4
2	4	4

	9	5
		3
2	8	5

	3	3
		6
1	9	8

		8	5
			1
		8	5

	9	1
		3
2	7	3

		2	2
			2
		4	4