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곱셈 2자리 X 1자리

		2	8
			3
		8	4

		1	5
			2
		3	0

		4	9
			1
		4	9

		6	6
			1
		6	6

	8	9
		6
5	3	4

	2	1
		9
1	8	9

	3	4
		7
2	3	8

	3	6
		6
2	1	6

	4	0
		6
2	4	0

		1	2
			5
		6	0

		1	9
			3
		5	7

	7	7
		6
4	6	2

	2	9
		4
1	1	6

		6	4
			1
		6	4

	8	4
		7
5	8	8