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뺄셈 2자리 - 1자리

		3	4
			5
		2	9

		3	5
			7
		2	8

		2	1
			1
		2	0

		1	8
			3
		1	5

		2	0
			9
		1	1

		6	1
			8
		5	3

		3	2
			6
		2	6

		1	3
			1
		1	2

		8	2
			2
		8	0

		6	1
			3
		5	8

		6	5
			8
		5	7

		3	0
			2
		2	8

		3	4
			9
		2	5

		5	0
			6
		4	4

		5	4
			8
		4	6