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곱셈 2자리 X 1자리

	4	8
		7
3	3	6

	2	9
		5
1	4	5

		1	1
			9
		9	9

		2	2
			2
		4	4

	5	4
		5
2	7	0

	6	1
		5
3	0	5

	6	4
		7
4	4	8

		1	3
			7
		9	1

	1	5
		7
1	0	5

	7	3
		4
2	9	2

	9	2
		7
6	4	4

		2	4
			4
		9	6

	8	2
		2
1	6	4

	6	2
		2
1	2	4

	9	0
		2
1	8	0