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뺄셈 2자리 - 1자리

		1	1
			8
			3

		1	0
			4
			6

		9	1
			1
		9	0

		3	2
			8
		2	4

		2	6
			3
		2	3

		1	3
			3
		1	0

		6	3
			3
		6	0

		8	6
			2
		8	4

		6	2
			2
		6	0

		2	2
			1
		2	1

		6	3
			4
		5	9

		3	4
			7
		2	7

		2	9
			1
		2	8

		2	2
			2
		2	0

		3	6
			4
		3	2