Solved by shinjoonseo

#	Title	# Solved	Avg. Tries
10998	A×B STANDARD	232,645	1.30
10869	사칙연산 STANDARD	230,094	2.24
1010	다리 놓기	44,193	2.08
1001	A-B STANDARD	278,805	1.45
1000	A+B STANDARD	324,491	2.59

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