Solved by connect_sh

#	Title	# Solved	Avg. Tries
1000	A+B STANDARD	334,854	2.60
1001	A-B STANDARD	287,882	1.45
1008	A/B STANDARD	238,525	2.90
10172	Dogs STANDARD	187,430	2.33
10869	사칙연산 STANDARD	238,531	2.24

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