Log in to reduce ads and focus on learning.
広告
Quizzes for review
(topology) A pretzel link which is a knot.
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
pretzel knot
The mathematician demonstrated that the complicated pretzel knot could be untangled into simpler components using a sequence of Reidemeister moves.
See correct answer
The mathematician demonstrated that the complicated pretzel knot could be untangled into simpler components using a sequence of Reidemeister moves.
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