首页
登录
职称英语
Which of the following numbers is NOT the sum of three consecutive odd integers?
Which of the following numbers is NOT the sum of three consecutive odd integers?
游客
2024-01-12
57
管理
问题
Which of the following numbers is NOT the sum of three consecutive odd integers?
选项
A、15
B、75
C、123
D、297
E、313
答案
E
解析
下列哪一个不是3个连续奇整数(consecutive odd integer)的和?
解:本题的正确答案是(E)。设3个连续奇整数分别为2n+1,2n+3,2n+5,其中n为正数,则3个连续奇整数的和=(2n+1)+ (2n+3)+(2n+5)=3(2n+3),因此3个连续奇整数的和必为3的倍数。本题中只有(E)不是3的倍数。
转载请注明原文地址:http://tihaiku.com/zcyy/3356785.html
相关试题推荐
Thefollowingdatasufficiencyproblemsconsistofaquestionandtwostatements
Whichofthefollowingisequaltothecubeofanon-integer?A、-64B、-1C、8D、9
Whichofthefollowingistheclosestapproximationof[img]2011q3/ct_egmatqj_eg
Iffandgaredistinctprimenumberslessthan10,whichofthefollowingcanno
Howmanydifferentpositiveintegersarefactorsof342?A、9B、11C、12D、20E、22
If(x-1)2=144,whichofthefollowingcouldbethevalueof2x?A、-26B、-22C、-11
Thesumofthenon-primenumbersbetween40and50,non-inclusive,isA、131B、176
Thefollowingdatasufficiencyproblemsconsistofaquestionandtwostatements
Lotteryballsnumberedconsecutivelyfrom1through100areplacedinaspinner.
Thefollowingdatasufficiencyproblemsconsistofaquestionandtwostatements
随机试题
[originaltext]TheaverageAmericanwillmove13timesinhislifetimeand
[originaltext]IvyBeanisperhapstheoldestuserofsocialnetworkingsites.S
煤气引入管应坡向干管,其坡度不得小于( )。A.0.001 B.0.002
《中国药典》规定的注射用水应该是A.无热原的蒸馏水 B.反渗透法制备的水 C
A.脾破裂 B.肝破裂 C.小肠破裂 D.结肠破裂 E.胃破裂受伤后容易
《10kV-500kV输变电设备交接试验规程》中消弧线圈绕组连同套管的交流耐压试
社会工作者:“你妈妈上周不幸去世。听到这个消息,我很难过。”服务对象:(开始哭泣
棉团铁线莲的气味是A.气微,味淡 B.气微,味苦 C.气微,味咸 D.气微
A.重度致吐性化疗药所引起的恶心与呕吐 B.中度致吐性化疗药所引起的恶心与呕吐
(2019年真题)当网络计划的计算工期大于要求工期时,为满足工期要求,可采用的调
最新回复
(
0
)