早教吧 育儿知识 作业答案 考试题库 百科 知识分享

英语翻译TheFibonaccisequence1,1,2,3,5,8,13,21,...startswithtwo1s,andeachtermafterwardsisthesumofitstwopredecessors.WhichoneofthetendigitsisthelasttoappearintheunitspositionofanumberintheFibonaccisequence?(A)0(B)4(

题目详情
英语翻译
TheFibonaccisequence1,1,2,3,5,8,13,21,...startswithtwo1s,andeachterm afterwards is the sum of its two predecessors.Which one of the ten digits is the last to appear in the units position of a number in the Fibonacci sequence?
(A) 0 (B) 4 (C) 6 (D) 7 (E) 9
▼优质解答
答案和解析
斐波那契数列,1,1,2,3,5,8,13,21,从两个连续的1开始,以后每一项为其前两项的和.在0-9这个10个数字中,哪一个数字是最后出现在数列的个位上的
1,1,2,3,5,8,13,21,34,55,89,144,233,377,610,987,1597,2584,4181,6765,10946,...
第一个出现在个位上的是1,下来是2下来3,下来5,下来8,下来4,下来9,下来0,下来7,显然最后是6!