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곱셈 2자리 X 1자리

	5	7
		8
4	5	6

	5	7
		7
3	9	9

	8	2
		6
4	9	2

	2	4
		8
1	9	2

	1	5
		8
1	2	0

	1	8
		9
1	6	2

		2	3
			1
		2	3

		3	8
			2
		7	6

	2	5
		9
2	2	5

	3	6
		8
2	8	8

	5	6
		3
1	6	8

	4	1
		3
1	2	3

	2	3
		7
1	6	1

	5	5
		2
1	1	0

		1	1
			6
		6	6