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뺄셈 2자리 - 1자리

		2	0
			6
		1	4

		2	4
			3
		2	1

		6	1
			9
		5	2

		5	6
			2
		5	4

		3	4
			2
		3	2

		2	0
			2
		1	8

		1	9
			1
		1	8

		5	0
			6
		4	4

		6	1
			2
		5	9

		1	2
			7
			5

		1	2
			2
		1	0

		8	3
			9
		7	4

		2	6
			6
		2	0

		2	1
			6
		1	5

		6	1
			5
		5	6