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곱셈 2자리 X 1자리

	4	9
		4
1	9	6

	2	8
		4
1	1	2

		2	6
			1
		2	6

	5	0
		6
3	0	0

	4	1
		3
1	2	3

	5	3
		7
3	7	1

	4	7
		4
1	8	8

		1	3
			7
		9	1

	2	4
		6
1	4	4

		1	2
			5
		6	0

		2	6
			2
		5	2

		2	2
			2
		4	4

	3	5
		6
2	1	0

	8	4
		4
3	3	6

	5	9
		6
3	5	4