Last Updated：2022/12/22
Sentence
Quizzes for review
The set of natural numbers N with the usual operations of addition and multiplication is a rig, but not a ring. The set of integers Z is a ring. For a rig/ring (R,0,+,1,−), the set of polynomials R[x] on a generator x with the usual operations of addition and multiplication is also a rig/ring.
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
