What percent of the students at University X are enrolled in a science網站管理員2024-03-11T23:45:16+08:00Read More
三個醫院，每個醫院2個醫生2個護士，一共12個人坐一排，其中同一個醫院的醫生必須坐一起，同一個醫院的護士也要坐一起，不同 醫院的醫生不能坐一起，不同醫院的護士不能坐一起，問有多少種排列組合？網站管理員2024-03-11T20:36:23+08:00Read More
圖晝館只有 3 種書,history, mathematics, physics20%借history 的人也借了 mathematics35%借physics的人也借了mathematics沒有人同時借history&physicst僅借mathematics的有200,150的人exactly借了兩種書借history的人有50 人，問僅借physics的人?網站管理員2024-03-10T13:36:25+08:00Read More
For a certain cylinder, the diameter equals the height. If every length in this cylinder is decreased by 60%, then to the nearest integer, by what percent does the volume decrease?網站管理員2024-03-06T00:20:57+08:00Read More
The table above shows the results of a survey of 100 voters who each responded “Favorable” or “Unfavorable” or “Not Sure” when asked about their impressions of Candidate Mand of Candidate N. What was the number of voters who responded “Favorable” for both candidates?網站管理員2024-03-06T00:17:58+08:00Read More
