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뺄셈 2자리 - 1자리

		4	4
			4
		4	0

		3	2
			8
		2	4

		1	5
			8
			7

		3	2
			7
		2	5

		5	8
			7
		5	1

		3	5
			6
		2	9

		3	8
			8
		3	0

		6	1
			1
		6	0

		2	8
			4
		2	4

		5	4
			9
		4	5

		6	8
			8
		6	0

		4	9
			6
		4	3

		2	0
			1
		1	9

		1	5
			7
			8

		3	6
			8
		2	8