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뺄셈 2자리 - 1자리

		5	7
			7
		5	0

		6	3
			7
		5	6

		3	7
			3
		3	4

		4	2
			6
		3	6

		2	5
			9
		1	6

		3	2
			3
		2	9

		3	0
			2
		2	8

		6	1
			6
		5	5

		2	9
			5
		2	4

		8	5
			5
		8	0

		4	8
			7
		4	1

		2	4
			2
		2	2

		2	3
			8
		1	5

		6	4
			8
		5	6

		2	4
			4
		2	0