4 days ago · The work has 448 chapters in

**20**volumes, and is valuable because of the quotes and fragments of texts by other authors that would have been lost had he not collected them. The most popular**encyclopedia**of the Carolingian Age was the De universo or De rerum naturis by Rabanus Maurus, written about 830; it was based on Etymologiae.6 days ago ·

**20**is a pronic number.;**20**is a tetrahedral number as 1, 4, 10,**20**.;**20**is the basis for vigesimal number systems.;**20**is the third composite number to be the product of a squared prime and a prime, and also the second member of the (2 2)q family in this form.- twenty
- 20th, (twentieth)

- 2² × 5
- vigesimal

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4 days ago · 0 (zero) is a number, and the numerical digit used to represent that number in numerals.It fulfills a central role in mathematics as the additive identity of the integers, real numbers, and many other algebraic structures.

- 0₂
- Zeroth, noughth, 0th

- All nonzero numbers
- 0, zero, "oh" (/oʊ/), nought, naught, nil

4 days ago ·

**WIKIPEDIA**– The Free**Encyclopedia**.**WIKIPEDIA**– The 5th most popular site on the Internet was launched on January 15, 2001 (1st edit by co-founder Jimmy Wales), is currently published in over 300 languages, has been freely available worldwide for**20**years, 1 month and 13 days –**Wikipedia**(as of January 1, 2021) has over 55,549,020 total articles (6,220,159 in English (stats); 178,835 in ...- 303 languages
- Wikimedia Foundation

Feb 24, 2021 ·

**20世紀**後半も、工業化により都市の成長は続き、サンパウロ、メキシコシティ、ブエノスアイレスなどの千万人規模の都市が複数ある。 また、2億人近くの人口を抱えるブラジルでは クリチバ やレシフェなど各州の中心都市も近代化が進んでいる。5 days ago · 20世紀. アメリカ合衆国において漫画を示す用語である「コミックス

**(comics)」**は、**ユーモラスな物語を特徴とした初期のコミック・ストリップ（新聞漫画）に用いられた形容詞「滑稽な (comic)」**に由来する。3 days ago · The G20 (or Group of Twenty) is an international forum for the governments and central bank governors from 19 countries and the European Union (EU). Founded in 1999 with the aim to discuss policy pertaining to the promotion of international financial stability, the G20 has expanded its agenda since 2008 and heads of government or heads of state, as well as finance ministers, foreign ministers ...

4 days ago ·

**20世紀**初頭 Howard P. Becker 's church-sect typology, based on Ernst Troeltsch original theory and upon which the modern concept of cults, sects, and new religious movements is based.Feb 15, 2021 · 現代アート -

**20世紀**末に新しいとされた芸術。 ビバップ - 戦後の1940年代後半に確立されたチャーリー・パーカーから、ディジー・ガレスピーらにより創造されたジャズ。芸術音楽ではあるが、前衛音楽には含まれない場合が多い。

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