Solved by ellydum

#	Title	# Solved	Avg. Tries
14681	Quadrant Selection STANDARD	160,985	1.64
15552	빠른 A+B STANDARD	132,713	2.20
15964	이상한 기호 STANDARD	19,584	1.81
25083	새싹 STANDARD	75,742	1.88
27866	문자와 문자열 STANDARD	60,897	1.48
30802	Welcome Kit	10,472	1.87
31403	$A + B - C$	12,096	1.58

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