首页
登录
职称英语
If the integer k has remainder 7 when divided by 8, what is the remainder when 3
If the integer k has remainder 7 when divided by 8, what is the remainder when 3
游客
2024-01-13
29
管理
问题
If the integer k has remainder 7 when divided by 8, what is the remainder when 3k is divided by 4?
选项
A、0
B、1
C、2
D、3
E、4
答案
B
解析
k除以8余数为7,那么可以表示为k=8n+7,n is an integer,3k=3×(8n+7)=24n+21,现在要求3k除以4的余数,24n是4的倍数,只要考虑21除以4的余数为几?21=4×5+1,所以选择B。
转载请注明原文地址:https://tihaiku.com/zcyy/3359934.html
相关试题推荐
Ifthesouthhadwonthewar,whatisnowtheUnitedStates______dividedintose
Whichofthefollowingisequaltothecubeofanon-integer?A、-64B、-1C、8D、9
Howmanydifferentpositiveintegersarefactorsof342?A、9B、11C、12D、20E、22
Ifxisapositive,single-digitintegersuchthat4x/3,2x,x,andx+2,and3x-2
Ifxandyareoddintegers,whichofthefollowingmustalwaysbeanon-integer
Thesquarerootof636isbetweenwhichsetofintegers?A、24and25B、25and26
Ifx,y,andzarepositiveintegersandx2=y2+z2,whichofthefollowingmustb
Ifaandbareoddintegers,whichofthefollowingisaneveninteger?A、a(b-4)
Whatisthegreatestpossiblecommondivisoroftwodifferentpositiveintegers
Both52and33arefactorsofn×25×62×73wherenisapositiveinteger.Whatis
随机试题
【B1】[br]【B7】A、AlthoughB、HoweverC、AnyhowD、InsteadBhowever,然而。前文都在说小型摩托车的优点,
Conventionalwisdomsaystreesaregoodfortheenvironment.Theyabsorbcar
Ifhehadfollowedthedoctor’sinstructionand______inbedtorest,he______
Whenstudyinghumantalent,thetemptationisusuallytoconcentrateonthe
解放战争第二年人民解放军作战任务的特点是()。A.粉碎国民党的重点进攻 B.
压力灌浆按灌浆材料不同可分为( )。A.化学灌浆 B.生物灌浆 C.水泥、
患者,男,56岁。左下后牙自发性搏动疼痛4天,口含冰块可暂时缓解。检查:左下7远
下列企业中,2016年该省海关进出口差额最大的是()A.国有企业
甲是某期货公司的会计,在职期间多次故意透漏给其朋友乙内幕消息,指示乙多次进行期货
有5位先生通过了建造师执业资格考试,目前打算申请注册。下列情形中不予注册的有
最新回复
(
0
)