Solved by everhuik

#	Title	# Solved	Avg. Tries
27294	몇개고?	5,265	1.44
27433	팩토리얼 2	17,022	2.09
27866	문자와 문자열 STANDARD	60,647	1.48
31403	$A + B - C$	11,951	1.58

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