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곱셈 2자리 X 1자리

	3	5
		7
2	4	5

		2	6
			1
		2	6

	5	4
		3
1	6	2

		7	5
			1
		7	5

	2	3
		5
1	1	5

		4	7
			2
		9	4

		2	6
			2
		5	2

	8	4
		3
2	5	2

	8	3
		3
2	4	9

	2	4
		6
1	4	4

		1	2
			2
		2	4

	3	7
		4
1	4	8

	6	6
		2
1	3	2

	5	3
		2
1	0	6

	9	4
		2
1	8	8