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뺄셈 2자리 - 1자리

		5	8
			1
		5	7

		2	0
			5
		1	5

		3	0
			7
		2	3

		1	3
			4
			9

		2	1
			1
		2	0

		3	0
			6
		2	4

		2	4
			5
		1	9

		3	8
			1
		3	7

		2	6
			6
		2	0

		4	0
			7
		3	3

		5	8
			9
		4	9

		2	7
			3
		2	4

		2	9
			6
		2	3

		5	1
			3
		4	8

		5	7
			5
		5	2