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곱셈 2자리 X 1자리

	3	9
		5
1	9	5

	2	6
		6
1	5	6

	2	7
		4
1	0	8

		5	7
			1
		5	7

		3	8
			2
		7	6

		2	4
			1
		2	4

		3	7
			1
		3	7

		1	3
			5
		6	5

	9	7
		5
4	8	5

	4	4
		5
2	2	0

		2	7
			1
		2	7

		1	5
			4
		6	0

	9	3
		2
1	8	6

	4	1
		3
1	2	3

		8	2
			1
		8	2