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뺄셈 2자리 - 1자리

		2	3
			5
		1	8

		3	0
			1
		2	9

		3	6
			2
		3	4

		3	6
			8
		2	8

		4	8
			8
		4	0

		4	0
			4
		3	6

		3	6
			2
		3	4

		1	7
			5
		1	2

		9	4
			4
		9	0

		1	4
			9
			5

		5	5
			3
		5	2

		2	5
			4
		2	1

		2	6
			8
		1	8

		2	0
			3
		1	7

		5	2
			7
		4	5