문제문제 제목정보맞힌 사람제출정답 비율
81471Railway다국어000.000%
81482Gas Pipelines다국어000.000%
81493Weights다국어5919037.580%
81504Driving Exam다국어155731.250%
81515Building Blocks다국어000.000%
81526Quaternary Balance다국어2540.000%