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곱셈 2자리 X 1자리

	3	5
		4
1	4	0

	5	2
		5
2	6	0

		8	6
			1
		8	6

	8	4
		8
6	7	2

	2	3
		6
1	3	8

		2	2
			2
		4	4

		3	3
			2
		6	6

	5	0
		4
2	0	0

		1	4
			6
		8	4

	5	0
		4
2	0	0

	2	1
		6
1	2	6

	2	4
		7
1	6	8

		3	7
			2
		7	4

	3	9
		5
1	9	5

		2	5
			1
		2	5