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뺄셈 2자리 - 1자리

		4	2
			6
		3	6

		3	0
			5
		2	5

		4	8
			3
		4	5

		6	6
			2
		6	4

		6	7
			3
		6	4

		9	0
			5
		8	5

		7	4
			2
		7	2

		6	3
			6
		5	7

		6	9
			8
		6	1

		2	6
			3
		2	3

		4	6
			3
		4	3

		2	2
			6
		1	6

		3	3
			3
		3	0

		4	2
			2
		4	0

		7	7
			1
		7	6