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뺄셈 2자리 - 1자리

		3	8
			1
		3	7

		2	3
			3
		2	0

		1	6
			1
		1	5

		2	4
			2
		2	2

		7	8
			2
		7	6

		3	1
			1
		3	0

		1	1
			5
			6

		3	6
			3
		3	3

		9	3
			2
		9	1

		6	7
			1
		6	6

		8	6
			6
		8	0

		1	6
			3
		1	3

		4	6
			2
		4	4

		2	0
			1
		1	9

		6	5
			3
		6	2