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곱셈: 2 x 11X9

		1	9
			3
		5	7

	2	7
		8
2	1	6

	6	2
		4
2	4	8

	4	2
		5
2	1	0

	2	0
		5
1	0	0

		2	8
			1
		2	8

		3	1
			2
		6	2

	2	7
		6
1	6	2

	3	0
		4
1	2	0

	2	1
		6
1	2	6

		1	1
			8
		8	8

		1	4
			3
		4	2

	3	9
		7
2	7	3

		1	4
			5
		7	0

	6	3
		3
1	8	9