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뺄셈 2자리 - 1자리

		2	0
			8
		1	2

		2	8
			3
		2	5

		4	8
			6
		4	2

		1	4
			2
		1	2

		2	1
			1
		2	0

		2	9
			6
		2	3

		5	1
			9
		4	2

		3	3
			4
		2	9

		1	9
			5
		1	4

		2	8
			5
		2	3

		2	6
			6
		2	0

		9	9
			6
		9	3

		1	2
			3
			9

		6	0
			2
		5	8

		2	8
			4
		2	4