Solved by md80

#	Title	# Solved	Avg. Tries
10998	A×B STANDARD	233,488	1.30
10869	사칙연산 STANDARD	230,967	2.24
2739	구구단 STANDARD	199,549	1.98
2557	Hello World STANDARD	359,537	2.54
1330	두 수 비교하기 STANDARD	204,376	2.01
1008	A/B STANDARD	231,199	2.90
1001	A-B STANDARD	279,794	1.45
1000	A+B STANDARD	325,479	2.59

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