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곱셈 2자리 X 1자리

	2	4
		9
2	1	6

	5	9
		5
2	9	5

	2	7
		8
2	1	6

	4	4
		7
3	0	8

	2	3
		5
1	1	5

		2	8
			1
		2	8

	2	3
		9
2	0	7

	4	0
		3
1	2	0

		1	4
			2
		2	8

		4	4
			1
		4	4

	8	8
		3
2	6	4

		3	1
			1
		3	1

	2	5
		9
2	2	5

	4	1
		7
2	8	7

		1	9
			2
		3	8