Solved by connect_sh

#	Title	# Solved	Avg. Tries
1000	A+B STANDARD	328,859	2.59
1001	A-B STANDARD	282,790	1.45
1008	A/B STANDARD	233,954	2.90
10172	Dogs STANDARD	184,356	2.33
10869	사칙연산 STANDARD	233,629	2.24

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