Last Updated
：2025/12/01
Quizzes for review
A number of the form xʸ+yˣ, where x and y are integers greater than 1.
音声機能が動作しない場合はこちらをご確認ください
See correct answer
Leyland number
During the seminar, the professor showed how to determine whether a given integer is a Leyland number by expressing it as xy + yx with x and y greater than 1.
See correct answer
During the seminar, the professor showed how to determine whether a given integer is a Leyland number by expressing it as xy + yx with x and y greater than 1.
音声機能が動作しない場合はこちらをご確認ください
English - English
Word Edit Setting
- Users who have edit permission for words - All Users
- Screen new word creation
- Screen word edits
- Screen word deletion
- Screen the creation of new headword that may be duplicates
- Screen changing entry name
- Users authorized to vote on judging - Editor
- Number of votes required for decision - 1
Sentence Edit Setting
- Users who have edit permission for sentences - All Users
- Screen sentence deletion
- Users authorized to vote on judging - Editor
- Number of votes required for decision - 1
Quiz Edit Setting
- Users who have edit permission for quizzes - All Users
- Users authorized to vote on judging - Editor
- Number of votes required for decision - 1
