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곱셈 2자리 X 1자리

	6	3
		5
3	1	5

	5	9
		4
2	3	6

		1	2
			4
		4	8

		2	6
			2
		5	2

	4	0
		3
1	2	0

	2	8
		5
1	4	0

	6	9
		4
2	7	6

	2	8
		9
2	5	2

	2	4
		5
1	2	0

	4	2
		6
2	5	2

	2	6
		6
1	5	6

		3	2
			3
		9	6

		1	2
			4
		4	8

	1	4
		8
1	1	2

		1	1
			8
		8	8