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뺄셈 2자리 - 1자리

		9	4
			1
		9	3

		3	0
			2
		2	8

		2	8
			1
		2	7

		2	5
			5
		2	0

		1	3
			8
			5

		2	6
			4
		2	2

		4	2
			6
		3	6

		2	3
			4
		1	9

		8	4
			6
		7	8

		4	3
			2
		4	1

		5	5
			9
		4	6

		6	2
			2
		6	0

		5	1
			5
		4	6

		4	5
			5
		4	0

		4	5
			7
		3	8