首页
登录
职称英语
Which of the following could be the sum of nine consecutive integers?A、29B、46C
Which of the following could be the sum of nine consecutive integers?A、29B、46C
游客
2024-01-12
46
管理
问题
Which of the following could be the sum of nine consecutive integers?
选项
A、29
B、46
C、57
D、99
E、100
答案
D
解析
设9个连续整数分别为月,n+1,n+2,…,n+8。根据等差数列求这9个数的和:n+n+1+n+2+…+n+8=(n+n+8×9)/2=9(n+4),得出任意9个连续整数的和必然是9的倍数。选项中只有99是9的倍数,所以选择D选项。
转载请注明原文地址:https://tihaiku.com/zcyy/3355238.html
相关试题推荐
Thefollowingdatasufficiencyproblemsconsistofaquestionandtwostatements
Thefollowingdatasufficiencyproblemsconsistofaquestionandtwostatements
Whichofthefollowingisequaltothecubeofanon-integer?A、-64B、-1C、8D、9
Whichofthefollowingistheclosestapproximationof[img]2011q3/ct_egmatqj_eg
If(x-1)2=144,whichofthefollowingcouldbethevalueof2x?A、-26B、-22C、-11
Lotteryballsnumberedconsecutivelyfrom1through100areplacedinaspinner.
Ifrisnegativeandsispositive,whichofthefollowingmustbenegative?A、|r
Ifxandyareoddintegers,whichofthefollowingmustalwaysbeanon-integer
Thefollowingdatasufficiencyproblemsconsistofaquestionandtwostatements
36Ifxisanintegerandy=4x+3,whichofthefollowingcannotbeadivisorof
随机试题
GeologistsbelievethattheBeringlandbridge,overwhichhumanbeingsarethou
她笑了笑,又转了一回弹槽滚儿,对他说,“如果是空枪,俺就依你!”说完,重新举起了小左轮。她的手有点儿抖,瞄了许久,突然,颓丧地放下枪,好一时才说,“俺不
Whendidthespeakerlearntosmoke?Thespeakerlearnstosmokeat______.[b
对于每位潜在内部审计人员的资历和熟练程度应该取得合理的保证。以下哪项不正确地运用
阿昔洛韦属于下列哪一类抗病毒药物A.三环胺类 B.非开环核苷类 C.开环核苷
下列地区,适合采用户外式变电站的是()。A.金融商务区 B.城市边缘地区
在一展览馆的楼面上,有一静止的展品及其墩座,其自重的标准值共为30kN;墩座经厚
乙型脑炎可见 A.阿少夫细胞B.陷窝细胞C.类上皮细胞 D.泡沫细胞E.噬
电信市场引入竞争后,如果原有电信运营商实行交叉补贴,会造成事实上的()。A.选
根据《建设工程项目管理规范》,在项目实施之前,应由法定代表人或其授权人与项目经理
最新回复
(
0
)