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뺄셈 2자리 - 1자리

		2	9
			2
		2	7

		6	3
			8
		5	5

		6	0
			2
		5	8

		2	7
			3
		2	4

		2	2
			9
		1	3

		3	0
			4
		2	6

		6	0
			5
		5	5

		3	6
			4
		3	2

		8	8
			1
		8	7

		6	7
			4
		6	3

		3	0
			4
		2	6

		7	9
			1
		7	8

		9	6
			5
		9	1

		2	7
			3
		2	4

		5	0
			1
		4	9