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뺄셈 2자리 - 1자리

		1	0
			5
			5

		4	0
			2
		3	8

		1	2
			2
		1	0

		2	7
			1
		2	6

		6	9
			8
		6	1

		2	2
			1
		2	1

		5	5
			5
		5	0

		5	4
			6
		4	8

		6	0
			9
		5	1

		4	5
			5
		4	0

		6	1
			3
		5	8

		2	5
			4
		2	1

		3	6
			6
		3	0

		1	8
			3
		1	5

		1	7
			9
			8