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곱셈 2자리 X 1자리

	2	4
		5
1	2	0

	6	1
		4
2	4	4

	4	8
		8
3	8	4

	5	6
		9
5	0	4

		4	5
			1
		4	5

		2	4
			1
		2	4

		4	1
			2
		8	2

		2	2
			1
		2	2

	6	6
		4
2	6	4

	2	3
		5
1	1	5

	6	1
		3
1	8	3

	2	3
		5
1	1	5

		1	6
			5
		8	0

	9	2
		2
1	8	4

	2	4
		5
1	2	0