首页
试卷库
试题库
当前位置:
X题卡
>
所有题目
>
题目详情
若a3•a4•an=a9,则n等于( )
查看本题答案
包含此试题的试卷
教案备课库《同底数幂的乘法课后作业》真题及答案
点击查看
你可能感兴趣的试题
已知数列的前n项和=n2+n则a3+a4=.
给定关系RA1A2A3A4上的函数依赖集F=A1→A2A3→A2A2→A3A2→A4R的候选关键字为
A1
A1A3
A1A3A4
A1A2A3
给定关系RA1A2A3A4上的函数依赖集F=A1→A2A3→A2A2→A3A2→A4}R的候选关键字
A1
A1A3
A1A3A4
A1A2A3
设等差数列{an}的前n项和为Sn若a1=﹣11a4+a6=﹣6则a3等于
16
37
-7
9
已知数列的前n项和=n2+n则a3+a4=.
设有栈S和队列Q其初始状态为空元素a1a2a3a4a5a6依次入栈出栈的元素则进入队列Q若6个元素出
6
4
3
2
设有栈S和队列Q其初始状态为空元素a1a2a3a4a5a6依次入栈出栈的元素则进入队列Q若6个元素出
6
4
3
2
设有栈S和队列Q其初始状态为空元素a1a2a3a4a5a6依次入栈出栈的元素则进入队列Q若6个元素出
6
4
3
2
给定关系RA1A2A3A4上的函数依赖集F={A1→A2A3→A2A2→A3A2→A4}R的候选关键
A1
A1A3
A1A3A4
A1A2A3
有若干个数按顺序记为a1a2a3a4若规定从第二个数起每个数都等于1与它前面的那个数的差的倒数试计算
设栈S和队列Q的初始状态均为空元素a1a2a3a4a5a6依次通过栈S一个元素出栈后即进入队列Q若6
2
3
4
6
若在数列{an}中a1=1a2=2+3a3=4+5+6a4=7+8+9+10则a10等于
1540
500
505
510
设有栈S和队列Q其初始状态为空元素a1a2a3a4a5a6依次入栈出浅的元素则进入队列Q若6个元素出
6
4
3
2
若数列{an}满足2an=2an-1+dn≥2且a1a2a3a4a5a6a7的方差为9则d=____
30.8分郁金香花呈现出黄色白色粉红大红和紫色等各种各样的颜色控制花色的基因在常染色体上其中黄色由显
设有栈S和队列Q其初始状态为空元素a1a2a3a4a5a6依次入栈出栈的元素进入队列Q若6个元素出队
6
4
3
2
设有栈S和队列Q其初始状态为空元素a1a2a3a4a5a6依次入栈出栈的元素则进入队列Q若6个元素出
6
4
3
2
热门试题
更多
foolishtheywere!Theybelievedwhatthemansaid. A.How B.Howan C.What D.Whatan
Mr.Kingdidn'tknowyesterdayevening. A.whendoeshissoncomehome B.whenhissoncomeshome C.whendidhissoncomehome D.whenhissoncamehome
—Couldyoupleasesuchathingagain?—I'msorryIwon't.A.nottodo B.notdo C.don'tdo D.notdoing
Listen!Ihearsomeoneintheclassroom. A.sing B.singing C.tosing D.sings
Igotothemoviesmonceamonth.
Couldyoutellmethenearesthospitalis? A.what B.how C.whether D.where
LiuXiangsaidgoodbyetohiscareer生涯throughhismicro-blogonapril7th2015hemaygoforfurthereducation.A.Toimprovehimself B.Improvinghimself C.Improvehimself D.Improveshimself
Theboystandintheteachers'officewasfoundsmokingyesterday.
Everyoneinourclassisworkinghardanddoingwhatwecanagoodhighschool. A.enter B.toenter C.entering D.entered
Iwanttoknow.A. whomisshelookingafter B.whomsheislookingC.whomisshelooking D.whomsheislookingafter
Helosthiskey.Itmadehiminthecoldtowaitforhiswife'sreturn.A.tostay B.stayed C.stays D.stay
BeijinghasbecomethefirstcityboththeSummerandWinterOlympicGamesafterbeatingKazakhstan'sAlmaty.A.tohost B.hosting C.host D.hosts
difficultquestionstheyare!Ican'tanswerthem. A.How B.Howan C.What D.Whatan
关于y=-2x+32下列说法正确的是A.图象开口向上B.图象的对称轴x=3C.图象的顶点坐标是03D.当x>3时y随x的增大而减小
Ihope findagoodjobinaforeigncompanyafterIgraduatefromschool.
WehavetworoomsliveinbutIcan'tdecidewhichonechoose.
Myparentsdidn'tallowmetotheparty. A.go B.togo C.goes D.went
Joiningasummercampisagreatchancefreetimewithyourfriends.A.spend B. spending C. tospend D.spent
Therewillbeameetinginfivedays.Jackdidn'tknow. Jackdidn'tknowthereameetinginfivedays.
interestingthestoryis!
Ispenttwodaysreadingthestory-book. A.finish B.finished C.finishing D.tofinish
Before2022wewillfinishbuildtheschools.
已知函数y=-x-12的图象上两点A2y1Bay2其中a>2则y1y2的大小关系为y1y2.填<>=
TheteachertoldusyesterdaythatDecember25ChristmasDay.A.is B.was C.hasbeen D.which
—Doyouclimbmountainseveryday?—Yesalittleexercise.I'moutofshape.A.getting B.get C.got D.toget
I'lltrymybesttostopmysonfromthesamemistake.A.make B.made C.makes D.making
Thisstampisbeautifulbutitisnotworth. A.tocollect B.collect C.collecting D.collected
在平面直角坐标系中函数y=-x+1与y=-x-12的图象大致是
一条抛物线的形状与抛物线y=x2的形状相同对称轴与抛物线y=x+22的对称轴相同且顶点在x轴上求这条抛物线所对应的函数关系式.
It'swrongyouthedisabledpeople. A.for;tolaugh B.of;tolaugh C.of;tolaughat D.for;tolaughat
热门题库
更多
教案备课库
教案备课库
教案备课库
教案备课库
教案备课库
教案备课库
教案备课库
教案备课库
高一下学期数学
教案备课库
高一上学期数学
高一上学期化学
教案备课库
教案备课库
教案备课库
高一上学期物理