Solved by wlsdustm92

#	Title	# Solved	Avg. Tries
31403	$A + B - C$	9,355	1.58
27866	문자와 문자열 STANDARD	55,783	1.48
10869	사칙연산 STANDARD	225,726	2.23
9498	시험 성적 STANDARD	203,361	1.83
2711	Mispelling	6,892	1.46
2558	A+B - 2 STANDARD	75,381	1.38
2438	별 찍기 - 1 STANDARD	183,620	1.61

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