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곱셈 2자리 X 1자리

	2	0
		8
1	6	0

	5	4
		7
3	7	8

		1	3
			4
		5	2

	4	2
		5
2	1	0

		4	4
			2
		8	8

		1	5
			4
		6	0

	5	4
		9
4	8	6

	9	9
		3
2	9	7

		1	2
			5
		6	0

	2	7
		6
1	6	2

	2	9
		8
2	3	2

	1	8
		7
1	2	6

	3	2
		6
1	9	2

	6	2
		6
3	7	2

	6	1
		4
2	4	4