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뺄셈 2자리 - 1자리

		2	4
			1
		2	3

		2	4
			3
		2	1

		3	3
			8
		2	5

		5	3
			5
		4	8

		2	6
			8
		1	8

		2	6
			6
		2	0

		5	5
			2
		5	3

		2	3
			3
		2	0

		2	1
			1
		2	0

		4	9
			3
		4	6

		1	9
			5
		1	4

		7	4
			5
		6	9

		8	3
			2
		8	1

		9	3
			2
		9	1

		6	2
			1
		6	1