Solved by inmoy

#	Title	# Solved	Avg. Tries
2588	곱셈 STANDARD	175,701	2.15
2753	윤년 STANDARD	188,421	1.93
10869	사칙연산 STANDARD	235,054	2.24
10871	X보다 작은 수 STANDARD	159,183	1.84
11720	숫자의 합 STANDARD	134,531	1.78

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