Solved by lunabi

#	Title	# Solved	Avg. Tries
10998	A×B STANDARD	232,761	1.30
11021	A+B - 7 STANDARD	139,131	2.04
11022	A+B - 8 STANDARD	134,807	1.47
11557	Yangjojang of The Year	8,253	1.36
11653	소인수분해	54,570	1.85

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