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뺄셈 2자리 - 1자리

		3	1
			4
		2	7

		5	3
			2
		5	1

		6	1
			6
		5	5

		6	7
			3
		6	4

		9	2
			3
		8	9

		2	8
			5
		2	3

		5	5
			6
		4	9

		1	3
			3
		1	0

		3	8
			2
		3	6

		1	0
			4
			6

		3	6
			2
		3	4

		5	2
			1
		5	1

		2	3
			4
		1	9

		3	9
			4
		3	5

		3	0
			4
		2	6