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뺄셈 2자리 - 1자리

		7	0
			3
		6	7

		2	8
			6
		2	2

		3	5
			4
		3	1

		6	0
			7
		5	3

		3	7
			3
		3	4

		3	0
			5
		2	5

		4	8
			8
		4	0

		1	0
			7
			3

		3	6
			9
		2	7

		4	9
			2
		4	7

		4	9
			5
		4	4

		3	4
			6
		2	8

		2	0
			7
		1	3

		2	9
			3
		2	6

		1	4
			2
		1	2