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곱셈 2자리 X 1자리

	2	5
		5
1	2	5

	4	2
		3
1	2	6

		5	5
			1
		5	5

		4	7
			2
		9	4

		2	4
			2
		4	8

	6	0
		4
2	4	0

	5	8
		2
1	1	6

	7	7
		3
2	3	1

	9	1
		3
2	7	3

	2	3
		6
1	3	8

	4	2
		5
2	1	0

	6	8
		2
1	3	6

		2	7
			2
		5	4

	6	6
		5
3	3	0

	7	4
		3
2	2	2