友愛数
Categories:
- Japanese terms spelled with 友 read as ゆう
- Japanese terms spelled with 愛 read as あい
- Japanese terms spelled with 数 read as すう
- Japanese terms read with on'yomi
- Japanese compound terms
- Japanese lemmas
- Japanese nouns
- Japanese terms with multiple readings
- Japanese terms spelled with second grade kanji
- Japanese terms spelled with fourth grade kanji
- Japanese terms with 3 kanji
- ja:Number theory