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뺄셈 2자리 - 1자리

		2	6
			1
		2	5

		1	7
			1
		1	6

		3	0
			4
		2	6

		2	0
			9
		1	1

		4	7
			6
		4	1

		3	0
			5
		2	5

		2	4
			3
		2	1

		5	9
			1
		5	8

		6	0
			7
		5	3

		5	9
			2
		5	7

		8	9
			3
		8	6

		6	2
			8
		5	4

		7	5
			8
		6	7

		2	1
			8
		1	3

		4	9
			9
		4	0