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뺄셈 2자리 - 1자리

		3	1
			3
		2	8

		2	8
			5
		2	3

		6	3
			3
		6	0

		4	0
			8
		3	2

		1	9
			4
		1	5

		5	1
			2
		4	9

		4	8
			2
		4	6

		2	6
			3
		2	3

		1	4
			2
		1	2

		6	0
			2
		5	8

		1	1
			9
			2

		5	8
			8
		5	0

		2	6
			4
		2	2

		2	6
			1
		2	5

		2	7
			4
		2	3