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곱셈 2자리 X 1자리

	4	8
		7
3	3	6

	3	5
		5
1	7	5

	4	6
		4
1	8	4

	2	5
		5
1	2	5

		1	7
			5
		8	5

		4	6
			2
		9	2

	5	7
		6
3	4	2

		2	1
			3
		6	3

	5	4
		5
2	7	0

		2	9
			2
		5	8

	8	7
		4
3	4	8

	6	4
		4
2	5	6

	3	5
		5
1	7	5

	9	5
		3
2	8	5

	6	0
		5
3	0	0