Solved by rnrghks1

#	Title	# Solved	Avg. Tries
1000	A+B STANDARD	318,361	2.58
1001	A-B STANDARD	273,388	1.44
1008	A/B STANDARD	225,371	2.90
2557	Hello World STANDARD	351,864	2.54
10869	사칙연산 STANDARD	225,241	2.23
10926	??! STANDARD	131,984	1.99
10998	A×B STANDARD	227,793	1.30

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