Find the last two digits in 1+11+111+1111+\cdots +\underbrace{111\cdots 111}_{50\ 1\text{s}}. 相关知识点: 试题来源: 解析 40. 1\times 50=50 Last digit is‘0’,the carry over is 5. 1\times 49=49 The tens is 9,9+5=14 Ans:40反馈...
Find the last two digits of 2017(514).相关知识点: 试题来源: 解析 57. 题目即求x≡17(514)(mod100)或{x≡17(514)(mod25)x≡17(514)(mod4), 考虑17≡1(mod4),17(514)≡1(514)≡(mod4), 考虑514≡5(mod20)﹐即514=20k+5, 17(514)≡1720k+5(mod25) ≡1720k×175(mod25) ≡1×175...
解析 992005=(100−1)2005=1002005−C120051002004+C220051002003−⋯+C20042005100−1,The last two digits of 1002005−C120051002004+C220051002003−⋯+C20042005100−1are 00−00+00−⋯+00−1=−1. So the last two digits of 992005are 99.99. ...
百度试题 结果1 题目求20192019的最后两位数. Find the last two digits of 20192019.相关知识点: 试题来源: 解析 79. (20−1)2019=202019−2019(202018)⋯+2019(20)−1 ≡80−1≡79 (mod 100).反馈 收藏
百度试题 结果1 题目2. Find the lasttwo digits of 10717. 43(5 point, 2 min) 相关知识点: 试题来源: 解析 答案见上 反馈 收藏
To find the last two digits of N, where N=1!+2!+3!+…+100!, we can break down the problem into manageable steps. 1. Understand Factorials: - Factorials grow very quickly. For example, 10!=3628800, which already has two trailing zeros. This means that 10! and any factorial greater...
解析 49. 结果一 题目 【题目】已知74=2401.求74117+1的最后两位数Given that 74=2401. Find the last two digits of7^(41)^(17)+1 答案 【解析】49. 相关推荐 1【题目】已知74=2401.求74117+1的最后两位数Given that 74=2401. Find the last two digits of7^(41)^(17)+1 反馈 收藏 ...
Finding Last Digit of any Number With Power |Unit place of a Number InQuantitative aptitudequestions ask to find the last digit and last two digits of a power or large expressions. In this article explained different types of tools to serve asshortcuts to finding the last digitsof an expande...
百度试题 结果1 题目201913. For a positive integer r, let f(r) be the last two digits o f r. Find ∑ f (7").n=1 相关知识点: 试题来源: 解析 50493 反馈 收藏
The last two digits of year in 00, …, 99 format. Y The year in the following example format: 2002. Dir Meaning %b File's size in 512-byte blocks (rounded up). %B File's start time for the WORM retention period in the format returned by the C ctime (3C) function. A ...