Solved by code_student

#	Title	# Solved	Avg. Tries
25304	영수증	80,352	1.80
14681	Quadrant Selection STANDARD	159,404	1.64
10998	A×B STANDARD	233,094	1.30
10952	A+B - 5 STANDARD	147,269	1.90
10869	사칙연산 STANDARD	230,557	2.24
10039	평균 점수	44,276	1.59
9498	시험 성적 STANDARD	207,598	1.82
3046	R2 STANDARD	35,643	1.31
2558	A+B - 2 STANDARD	76,583	1.38
2557	Hello World STANDARD	359,053	2.54
2438	별 찍기 - 1 STANDARD	187,368	1.61
1330	두 수 비교하기 STANDARD	203,995	2.01
1001	A-B STANDARD	279,385	1.45
1000	A+B STANDARD	325,012	2.59

1