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
2025-02-23
11
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/3969315.html
相关试题推荐
Howmanypositive4-digitintegersbegin(ontheleft)withallevendigitande
Howmanyofthepositivedivisorsof960arealsomultiplesof6?A、7B、6C、8D、1
Ifnisanoddpositiveinteger,whatistheremainderwhen(n2-1)isdividedby
Ifnisallpositiveinteger,thentheunitsdigitofn102cannotbewhichofth
Twopositiveintegersaandbhaveonlyonecommondivisor,ifb/a+2=18/7,then
A、Biologicaldifferencesarenotedinthepartsofthebraingoverningemotional
A、Whatdohistoriographersconsidertobetheprecisedifferencebetweenanatio
SUBTLE:DIFFERENCE::A、implicit:suggestionB、comprehensive:gamutC、gregarious:in
OBJECTIVE:FACTUAL::A、melancholy:positiveB、receptive:persistentC、sardonic
Educatorswhostudytheinfluencesofgeographicaldifferencesoneducationalsu
随机试题
Bakingbooksbyprofessionalfoodwriterstendtobemoremodest______.A、enchant
[originaltext][19]Aroundtheyear1000AD,somepeoplefromnorthwestIndiabe
—Wouldyoulikemetogotothedentist
A. B. C. D.
属于微量营养素的是()。A.碳水化合物 B.脂肪 C.蛋白质 D.
患者尿频量多,混浊如脂膏,腰膝酸软,口干唇燥,乏力,舌红少苔,脉细,其证候是(
生物老师把六种动物分成两组,一组是鲫鱼、麻雀、牛,另一组是蜗牛、虾、蝴蝶。这样分
反映企业经营成果的会计要素,也称为动态会计要素,构成利润表的基本框架。下列不属于
某分项工程合同价为6万元,采用价格指数进行价格调整。可调值部分占合同总价的70%
(2020年真题)项目施工成本的过程控制程序主要包括( )。A.管理控制程序和
最新回复
(
0
)