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곱셈 2자리 X 1자리

	5	8
		9
5	2	2

	4	2
		9
3	7	8

	4	6
		3
1	3	8

		2	5
			1
		2	5

	8	4
		6
5	0	4

	6	5
		8
5	2	0

	4	4
		9
3	9	6

		4	7
			2
		9	4

	3	2
		8
2	5	6

	4	7
		6
2	8	2

	3	4
		8
2	7	2

		1	2
			2
		2	4

	6	1
		5
3	0	5

	5	5
		9
4	9	5

	4	0
		3
1	2	0