Solved by rkdehflk

#	Title	# Solved	Avg. Tries
1000	A+B STANDARD	334,292	2.60
5597	Who have not handed in ?	72,037	1.94
10171	Cats STANDARD	191,765	2.78
10998	A×B STANDARD	240,300	1.30
25304	영수증	84,467	1.80

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