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뺄셈 2자리 - 1자리

		6	0
			4
		5	6

		2	7
			8
		1	9

		4	4
			2
		4	2

		6	1
			5
		5	6

		3	5
			5
		3	0

		9	2
			1
		9	1

		8	4
			4
		8	0

		6	3
			2
		6	1

		5	9
			6
		5	3

		2	9
			2
		2	7

		9	3
			4
		8	9

		8	0
			6
		7	4

		1	6
			5
		1	1

		4	7
			3
		4	4

		6	6
			3
		6	3