首页
试卷库
试题库
当前位置:
X题卡
>
所有题目
>
题目详情
阅读下面问题:;(1)求的值;(2)(n为正整数)的值;(3)计算:.
查看本题答案
包含此试题的试卷
教案备课库《初二年级数学寒假作业7二次根式》真题及答案
点击查看
你可能感兴趣的试题
阅读下面问题.试求1的值2为正整数的值.3的值.
阅读下面问题.试求1的值2n为正整数的值.
已知n阶矩阵A的每行元素之和为a求A的一个特征值并求Ak的每行元素之和其中k为正整数.
若ab互为相反数cd互为倒数m为最小的正整数n的绝对值为2求代数式的值
执行下面的程序框图为使输出S.的值小于91则输入的正整数N.的最小值为
5
4
3
2
已知数列的前n项和为Sn并且满足a1=2nan+1=Sn+nn+1.1求{an}的通项公式2令Tn=
阅读下面问题试求1n为正整数的值2利用上面所揭示的规律计算
设无穷等差数列{an}的前n项和为Sn已知a1=1S3=12.1求a24与S7的值2已知mn均为正整
已知n为正整数且x2n=7求3x3n2﹣4x22n的值.
我们知道任意一个正整数n都可以进行这样的分解n=p×qpq是正整数且p≤q在n的所有这种分解中如果p
阅读下面问题.1求的值2求为正整数的值3计算
当n为正整数时﹣12n+1+﹣12n的值是_________.
先阅读下面的内容再解决问题例题若m2+2mn+2n2-6n+9=0求m和n的值.解∵m2+2mn+2
阅读下面问题.试求1的值2的值3试计算n为正整数的值.
执行下面的程序框图为使输出S.的值小于91则输入的正整数N.的最小值为
5
4
3
2
阅读下面问题.试求1的值2为正整数的值.3的值.
已知函数=x﹣1﹣alnx.1若求a的值2设m为整数且对于任意正整数n﹤m求m的最小值.
某级数前两项A1=1A2=1以后各项具的如下关系An=An-2+2An-1下面程序的功能是 对
阅读下面问题;试求1的值n为正整数的值3根据你发现的规律请计算
设函数fx=axn1-x+bx>0n为正整数ab为常数.曲线y=fx在1f1处的切线方程为x+y=1
热门试题
更多
Todayisaniceday.Atlitisn’training.
Drinkingmilkisgoodforourh.
inone’sfreetime
业余活动
Tomisonlya7-year-oldboy.heknowslotsofthings.
Lisaistallbuthermotheristallerher.
Ilikeprogramsaboutwildanimalsastigersandlions.
A:HiDale.Ican'tgotoyourpartynextSaturday.Tmsorry. B:Really?1 A:IhavetennisclassesinthemorningandIhaveto visitmygrandpaintheafternoon. B:2 A:IneedtofinishareportonSaturday.Mrs.Clarkasksustoe-mailittoherbeforeSunday. B:3 A:IwillplaysocceronSunday.4 B:Sure.5 A:Let’smeetat9:30atmyhouse. 1.2.3.4.5.
A:GoodmorningMr.Smith. B:GoodmorningKate!Youareinahurry.1areyougoingtodo? A:OhI’mgoingtothechessclub. B:2doyouplaychess? A:Iplayitaboutthreetimesaweek. B:3? A:IusuallyplaywithmyfriendsintheclubbutsometimesIplayitwithmyfatherathome. B:Soundsinteresting.4? A:Yes.Helikesplayingchessverymuch.Andhecanteachmehowtoplayitbetter. B:Good.Fmgoingtoameeting.Havefun!Seeyoutomorrow! A:5Mr.Smith! 1.areyougoingtodo? 2.doyouplaychess? 3. 4. 5.Mr.Smith!
他们总是很早睡觉Theyearly
我很惊讶地发现所有的书都卖光了Iwast0thatallthebooksweresoldout.
Theanswerthequestionisreallyinteresting.
画一幅画
drinkjuice
AliceandGinaareverygoodfriends.Afterschooltheyoften1gohometogether. Theyhavemanydifferent2habit.OnweekendsAlic7likestostayathomewatchingTV or3sleep.ButGinaoftengoesoutto4exercise.Aliceeatsjunkfoodeverydayalthoughsheknowsitisbadforher5healthy.Ginalikesjunkfoodtoo.She only6eatitonceaweekbecauseshethinks7eatlessjunkfoodcan help8shekeepingoodhealth. Yesterday9beAlice'sbirthday.AlicethoughtGinawouldbuyhersomejunkfood. ButinfactGina10buyherabook.Itwasabouthowtokeephealthy. 1.Afterschooltheyoften1gohometogether. 2.Theyhavemanydifferent2habit. 3.OnweekendsAlic7likestostayathomewatchingTVor3sleep. 4.ButGinaoftengoesoutto4exercise. 5.Aliceeatsjunkfoodeverydayalthoughsheknowsitisbadforher5healthy. 6.Sheonly6eatitonceaweek 7.becauseshethinks7eatlessjunkfoodcanhelp8shekeepingoodhealth. 8.becauseshethinks7eatlessjunkfoodcanhelp8shekeepingoodhealth. 9.Yesterday9beAlice'sbirthday. 10.ButinfactGina10buyherabook.Itwasabouthowtokeephealthy.
你放学以后通常做什么youdoschool?
她每晚睡几个小时doesshesleepeverynight?
有多少百分比的学生每天都做运动ofthestudentsdoeveryday?
做运动
Exerciseishealthyfortheandthebody.
YangHongyingisafamous.Herbooksarepopularwithchildren.
Ioftenhelpmymomdohousework.改为同义句Ioftenmymomhousework.
少数几次
Idon’tknowwhatheisdoing.Mheistakingexercise.
atleast
多于
watchgameshows
Inthebasketballgameourteamgotten.
ofthestudentswenttothemovieslastweekend.Allofthemstayedathome.
洗牙
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
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
教案备课库
教案备课库