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뺄셈 2자리 - 1자리

		1	9
			8
		1	1

		2	4
			6
		1	8

		2	2
			3
		1	9

		6	4
			3
		6	1

		3	1
			1
		3	0

		1	1
			9
			2

		4	4
			4
		4	0

		7	3
			7
		6	6

		3	2
			1
		3	1

		3	6
			5
		3	1

		1	3
			4
			9

		3	8
			9
		2	9

		2	8
			8
		2	0

		5	7
			7
		5	0

		2	8
			8
		2	0