Fibonacci sequence - Wikipedia
16 小时之前 · In mathematics, the Fibonacci sequence is a sequence in which each number is the sum of the two preceding ones. Numbers that are part of the Fibonacci sequence are known as Fibonacci numbers, commonly denoted F n .Many writers begin the sequence with 0 and 1, although some authors start it from 1 and 1 [1] [2] and some (as did Fibonacci) from 1 and 2. . …
Calvin Coolidge - Wikipedia
16 小时之前 · Calvin Coolidge (born John Calvin Coolidge Jr. [1] / ˈ k uː l ɪ dʒ / KOOL-ij; July 4, 1872 – January 5, 1933) was the 30th president of the United States, serving from 1923 to 1929.A Republican lawyer from Massachusetts, he previously served as the 29th vice president from 1921 to 1923 under President Warren G. Harding, and as the 48th governor of Massachusetts …
John Roberts - Wikipedia
16 小时之前 · John Glover Roberts Jr. (born January 27, 1955) is an American jurist who has served since 2005 as the 17th chief justice of the United States.He has been described as having a moderate conservative judicial philosophy, though he is primarily an institutionalist. [3] [4] Regarded as a swing vote in some cases, [5] Roberts has presided over an ideological shift …
Dmitry Medvedev - Wikipedia
16 小时之前 · On 19 May 2012, Dmitry Medvedev took part in the G-8 Summit at Camp David, in the United States, replacing President Putin, who decided not to represent Russia in the summit. Medvedev was the first prime minister to represent Russia at a G-8 meeting. On 21 May 2012, his Cabinet was appointed and approved by the president. On 26 May, he was ...
Woman - Wikipedia
16 小时之前 · 8 Culture and gender roles. Toggle Culture and gender roles subsection. 8.1 Religion. 8.2 Violence against women. 9 Clothing, fashion and dress codes. ... 49–52, a woman reaches menopause, the time when menstrual periods stop permanently, and they are no longer able to bear children. [31] [32] [33] Unlike most other mammals, ...