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뺄셈 2자리 - 1자리

		4	0
			2
		3	8

		3	7
			4
		3	3

		3	2
			1
		3	1

		2	3
			3
		2	0

		9	6
			2
		9	4

		2	3
			9
		1	4

		6	1
			1
		6	0

		3	7
			2
		3	5

		4	7
			3
		4	4

		8	6
			5
		8	1

		4	4
			7
		3	7

		6	2
			2
		6	0

		8	9
			6
		8	3

		3	1
			3
		2	8

		7	1
			1
		7	0