Solved by 10214leeeunsung

#	Title	# Solved	Avg. Tries
15552	빠른 A+B STANDARD	134,634	2.20
15964	이상한 기호 STANDARD	20,032	1.82
25083	새싹 STANDARD	77,523	1.88
27866	문자와 문자열 STANDARD	63,009	1.48
31403	$A + B - C$	13,255	1.60

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