首页
登录
职称英语
The difference of the reciprocals of two consecutive positive integers could be?
The difference of the reciprocals of two consecutive positive integers could be?
游客
2024-01-12
47
管理
问题
The difference of the reciprocals of two consecutive positive integers could be?
选项
A、7/30
B、1/26
C、3/20
D、11/60
E、1/72
答案
E
解析
由于是连续正整数的倒数相减,因此通分后分子必然为1,所以答案只可能在B和E中选择,26=2×13,不可能表达为两个连续整数的乘积,而72=8×9,因此选择E。
转载请注明原文地址:https://tihaiku.com/zcyy/3354753.html
相关试题推荐
______theobviousdifferencesinsizeandpopulation,thestatesofAmericahav
Icannottellthe______differencebetweenthetwins.A、slenderB、singleC、simpl
Canyou______thedifferencesbetweenthetwopictures?A、tellB、talkC、speakD、sa
Ican’ttellthe______differencebetweenthetwinsisters.A、slightB、simpleC、sl
Icanhardly______thedifferencebetweenthesetwowords.A、pointB、speakC、talk
Letmegiveyoua______ofhowthecomputerworks.A、demonstrationB、differenceC、
WhatarethedifferencesbetweenpublicandprivateinAmericanhighere
WhatarethedifferencesbetweenpublicandprivateinAmericanhighere
Howmanydifferentpositiveintegersarefactorsof342?A、9B、11C、12D、20E、22
Ifxisapositive,single-digitintegersuchthat4x/3,2x,x,andx+2,and3x-2
随机试题
WildBillDonovanwouldhavelovedtheInternet.TheAmericanspymasterwho
LoveAroundtheWorldItwasanunsettingnightatth
HealthofficialsinwesternSiberiaaretobegininslaughterofthousandso
枸橼酸铋钾抗消化性溃疡的作用机制是A.阻断胃壁细胞的胆碱受体 B.阻断胃壁细胞
假如“完美”是100分,那么60分和80分都是不完美。但不要因为80分不完美,而
《注册测绘师制度暂行规定》于()起施行。A.2007年3月1日
通过搜索引擎查得的结果过多,不能通过下列( )方法,优化检索结果。A.词组检索
某社会工作服务机构在社区招募中小学生夏令营营员。租住在本社区的外来务工人员老张觉
一女工不慎将头发卷入机器,造成大面积头皮撕脱。 患者生命体征稳定,采用的救治步
根据九部委发布的《标准设计合同》,合同的履约担保为无条件担保,其内涵为( )。A
最新回复
(
0
)