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곱셈 2자리 X 1자리

		1	3
			7
		9	1

		1	4
			4
		5	6

	7	9
		6
4	7	4

	1	5
		7
1	0	5

	2	7
		8
2	1	6

		3	3
			3
		9	9

		1	0
			1
		1	0

	6	0
		2
1	2	0

		1	3
			6
		7	8

	5	2
		9
4	6	8

	2	8
		9
2	5	2

		2	4
			1
		2	4

	2	6
		8
2	0	8

		3	4
			1
		3	4

	5	8
		8
4	6	4