6、P为627的倍数，且P个位为4，Q=P/627，问：Q个位为几?
【答案】2
【思路】P=627K，因P的个位为4，所以K的个位一定为2，Q=P/627=627K/627=K
所以Q的个位为2。
7、一直线L过点A，B，坐标原点为O，点P为三角形OAB中的一点，问：y
上一篇： 费费数学宝典详解版(五)
下一篇： GMAT数学笔记——概率 数论 整除
国内英语资讯:China, Cambodia pledge to cooperate under Belt and Road Initiative
国内英语资讯:Italy, China hold forum on poverty reduction with partners
无糖饮料没你想的健康 或增加中风痴呆风险
国际英语资讯:S. Korea denies Trumps comments on THAAD costs
国际英语资讯:Over 200 rebels killed during infighting east of Damascus
国内英语资讯:Ministry of Public Security stresses traffic safety during holiday
国际英语资讯:Spotlight: Analysts say Erdogans foreign visits not likely to trigger policy reset
抗议者袭击马其顿议会
体坛英语资讯：Ecuador forward Bolanos sidelined with injury
教育部发布文件 2020年全国普及高中阶段教育
国内英语资讯:China, Britain urge peaceful solution to DPRK nuclear issue
国际英语资讯:Irans exports to EU jump three fold following nuclear deal
体坛英语资讯：Late Marcelo goal gives Real Madrid vital win against Valencia
国内英语资讯:China-made large amphibious aircraft finishes 1st glide test
国内英语资讯:Xinjiang reports robust foreign trade growth in Q1
国内英语资讯:Chinese naval fleet starts friendly visit to Philippines
阿里巴巴开始努力为特朗普填坑，马云头疼
体坛英语资讯：FIFA suspends Sudan football associations elections for six months
国际英语资讯:Spotlight: EU leaders adopt guidelines on Brexit negotiations
3千块买一条满是泥巴的牛仔裤？要的就是内“脏”范儿
经常发呆的人更有创造力？
犯困时别喝咖啡 爬楼梯更提神!
国内英语资讯:China Focus: CPC creates four-tier system to measure political discipline
国际英语资讯:EU to discuss crucial issues in complex Brexit talks
国际英语资讯:DPRK condemns U.S. test-launch of ICBM as simulated strike on Pyongyang
塔利班在阿富汗展开“春季攻势”
为什么男性就是看不出来美女对他没意思呢
国际英语资讯:Spotlight: EU signals to take tough stance in Brexit talks
国际英语资讯:Five killed, dozens injured by tornadoes in U.S. state of Texas
国内英语资讯:1st LD-Writethru: SOEs have potential in mass entrepreneurship, innovation: premier