首页
试卷库
试题库
当前位置：
X题卡
>
所有题目
>
题目详情
计算：24a³b²÷3ab²
查看本题答案
包含此试题的试卷
教案备课库《》真题及答案
点击查看
你可能感兴趣的试题
计算18a³b²c³-9a²b²+6ab÷3ab
计算3-ab+2a-3a-b+3ab
已知AB=2延长AB到C.使BC=3ABD.为BC的中点E.为AB的中点画图并计算DE的长
.下列计算正确的是
5a+2a=7a
2
5a﹣2b=3ab
5a﹣2a=3
﹣ab
3
+2ab
3
=ab
3
计算2a3b•﹣3ab3=.
计算·3ab2=9ab5
计算ab23=
3ab
2
ab
6
a
3
b
6
a
3
b
2
计算24a3b2÷3ab2
化简﹣6ab+ba+8ab的结果是
2ab
3
﹣3ab
3ab
下列计算正确的是
x
2
y﹣2xy
2
=﹣x
2
y
2a+3b=5ab
a
3
+a
2
=a
5
﹣3ab﹣3ab=﹣6ab
下列计算正确的是
x
2
y﹣2xy
2
=﹣x
2
y
2a+3b=5ab
a
3
+a
2
=a
5
﹣3ab﹣3ab=﹣6ab
下列各式中运算不正确的是
2ab+3ab=5ab
2ab﹣3ab=﹣ab
2ab•3ab=6ab
2ab÷3ab=
24a3b2÷3ab2
计算24a3b2÷3ab2
计算—3ab22=______
与﹣3ab是同类项的是
a
2
b
﹣3ab
2
ab
a
2
b
2
计算24a3b2÷3ab2
计算9a2b-6ab2÷3ab=.
如果×3ab=3a2b则内应填的代数式是
ab；
3ab；
a；
3a；
多项式4a2b﹣3ab﹣5的项是
4a
2
b，3ab，5
4a
2
b，﹣3ab﹣5
4a
2
b，3ab，﹣5
4a
2
b，﹣3ab，﹣5
热门试题
更多
已知二次函数y=2x2-8x+61将二次函数化成顶点式为2当-＜x＜3时y的取值范围是3该二次函数关于x轴对称的二次函数解析式为4不等式2x2-8x+6＜0的解集为
西周时期丞相周公旦设置过一种通过测定日影长度来确定时间的仪器称为圭表．如图是一个根据北京的地理位置设计的圭表其中立柱AC高为a．已知冬至时北京的正午日光入射角∠ABC约为26.5°则立柱根部与圭表的冬至线的距离即BC的长约为
计算-205+400+-204+-1．
为了了解湖南各景点在大众中的熟知度随机对15～65岁的人群抽样了n人回答问题“湖南省有哪几个著名的旅游景点”统计结果如下图表． Ⅰ分别求出abxy的值 Ⅱ从第234组回答正确的人中用分层抽样的方法抽取6人求第234组每组各抽取多少人 Ⅲ在Ⅱ抽取的6人中随机抽取2人求所抽取的人中恰好没有第3组人的概率．
计算．-13×-0.34×+×-13-×0.34
假定你是李华你校将举办国际中学生冬令营活动你是负责人之一.你的英国朋友Joe来信想了解一些有关信息.请你根据以下内容用英语给他回一封信. 地点南昌 活动时间2019年6月23日﹣29日 参加人员60名来自世界各地的高中生活动内容游览江西名胜体验中国文化品尝当地美食相互学习交流 注意事项2019年6月21日前用e﹣mail确认参加 注意1.词数100左右开头和结尾已给出但不计入总词数 2.可以适当增加细节以使行文连贯.
在2×－4×5＝2×5×－4中运用了．
如图所示的抛物线是二次函数y=ax2-5x+4-a2的图象那么a的值是
HowtoDiscoverYourTalent Talenttendstorefertothatinbornskillthateveryoneseemstobebornwith.1.It'sgoodtotryandidentifyandpracticethatskill. Revisityourchildhood.Agoodwaytofigureoutwhereyourtalentslieistogobacktoyourchildhood. 2.Thisisoftenthetimewhenyouhadplansthatweren'tlimitedbywhatpeopletendtothinkofas‘reality'. Considerwhatitisyoudowhenyoulosetrackoftime.Oneofthechiefthingsyoucandoisfocusonwhatyoulovetodosomuchthatyouhaveatendencytoforgeteverythingelseforawhile.3.Youmighthavetoresearchabitdeeperintothethingsyouenjoytodiscoverwhatmakesyoufeelsatisfied. 4.Sometimeswhenyou'rehavingdifficultyseeingclearlyit'sgoodtogetanoutsideopinion.Yourfriendsandfamilymembersknowyouwellandtheyshouldbeabletoofferyousomeinsightsintotheareastheythinkyou'retalentedin. Trynewthings.Especiallyifyou'renotsurewhatyourtalentsmightbeyoushouldgetoutandtrynewthings.Thiswayyou'remorelikelytohitonwhatitisthatyou'rereallygoodatandthatreallymakesyouhappy.5.Inyourquestforyourowntalentyoushouldlookintothetalentsofotherpeople. A.Considerwhatyoulovedtodoasachild B.It'struethathavingatalentcanhelpyouinlife C.Observeandenjoythetalentsofotherpeople D.Youcanuseyourtalentsintheserviceofkindness E.Focusontheareasthatyou'relesstalentedin F.Notalltalentsaregoingtobesuperobvious G.Askothersforbetteradvice
小于2.5的非负整数分别有
下列说法正确的是
计算25×--25×+25×-
Thegirlthebadnewstoherteacheralready.spread
Whenyoungpeoplebegintoliveindependentlyhome﹣huntingcanbedifficult.Buttheywoulddowelltorememberthatanewchoiceisavailable﹣﹣﹣micro﹣homes. Fondlycalledtinyhousesthesehouseshavealllivingnecessitiesinasmallpackageincludingkitchenbedroomandbathroom.Generallyunder50squaremetersmosttinyhousescanholdjustoneortwopeoplethoughsomeclaimthespaceformore.What'slostinsizeisnotlostindesign设计asthesehomesareoftenquitemodernindesign. Besidesanattractiveappearancetinyhousescanalsohavepracticalfeatures特点.Makingthebestofurbanspacethe72﹣to﹣122﹣centimeter﹣wideKeretHouseinWarsawtheworld'snarrowesthomefilledinanalley小巷.ThehomeEcocapsuleusessolarpowerwindpowerandrainwatercollectiontoenableitsownertolivepracticallyanywhere. Althoughmicro﹣homesareattractivethereareafewdisadvantagestoconsiderbeforegettingcomfortableonaminicouch.Movingintoatinyhouseyoushouldthrowawayunnecessarythings.Itisalsomostlyimpossibletoinviteguests.Andfinallyamicro﹣homeislikelyatemporary暂时的livingchoiceformostpeoplesincetheywillprobablystartfamiliesandownmorethings. Thoughthelimitationwillscaresomethereisusuallyabenefit.Asmallsizeresultsinlowpricesandsmallbillsmakingtinyhouseseasiertosaveupfor.Andthoughyouwon'thavemanythingsaroundthehouseitmakesiteasyandsimpletokeepitclean.Micro﹣homesarealsoeco﹣friendlywhichcan'tbematchedbyotherhomes.Theyprobablyaren'tforeveryoneorforeverbutwhenitcomestoyournextorfirsthometheycouldbejustwhatyouneed. 1Whatcanbelearntaboutmicro﹣homesfromParagraph2? A.Peoplecan'ttakeapackageintothetinyhouses. B.Allofthehousescanholdmorethantwopeople. C.Thesehousesareconvenientthoughtinyinsize. D.Suchhousesarepoorlydesignedduetothesmallsize. 2TheauthordevelopsParagraph3mainly. A.byexamples B.bycomparisons C.byorderinspace D.bycausesandeffects 3Micro﹣homesareespeciallysuitablefor. A.ayoungpersonwhohasmanythings B.apersonwhodoesn'thavemuchmoney C.acouplewhowanttoprotectenvironment D.afamilyhopingtosettledowninacity 4Whatcanbethebesttitleforthetext? A.Eastorwesthomeisthebest. B.Micro﹣homes﹣﹣﹣morethantiny! C.Home﹣hunting﹣﹣﹣noeasymatter! D.Tinyorlargethisisachoice.
计算-0.5×-1××-8
把-8++3--5-+7写成省略括号的代数和形式是
|-2|--3=
如果3xy=0那么一定有
Let'slookatthemovieswecan'twaittowatchin2019 DumboMarch29 Dumboisa1941AmericanfilmproducedbyWaltDisneyProductions.ThemaincharacterisanelephantwhoisnicknamedDumbo.Dumboisalwayslaughedatforhisbigearsandheisrejectedbytheotherelephants.Withnoparenttocareforhimheisalone.Butinfactheiscapableofflyingbyusinghisearsaswings.Alive﹣actionadaptationofthefilmdirectedbyTimBurtonisscheduledtobereleasedonMarch292019. Shazam!April5 ShazamisanupcomingAmericansuperherofilmbasedontheDCComicscharacterofthesamename.DirectedbyDavidF.SandbergthefilmissettostarAsherAngelasBillyBatsonateenageboywhocantransformviathemagicwordShazamintoanadultsuperheroplayedbyZacharyLevi.Itwillbethefirstfilmversionofthecharactersincethe1941seriesAdventuresofCaptainMarvelthecharacter'soriginalname. AladdinMay24 AladdinisafictionalcharacterandtheroleofthefilmAladdin1992basedonAladdinafolktaleofMiddleEasternoriginHeisvoicedbyScottWeingerwhilehissingingvoiceisprovidedbyBradKane.AladdinneverreceivedaformaleducationandhasonlylearnedbylivingonthestreetsofAgrabah.Hehastostealfoodinthelocalmarketinordertosurvive.MenaMassoudissettoplayalive﹣actionversionofthecharacterinaliveactionadaptationofthe1992film. 1Whichonewillbeshowntotheaudienceasaformoffilmforthefirsttime? A.Dumbo. B.Shazam! C.AdventuresofCaptainMarvel D.Aladdin. 2WhoistheactorofthenewestversionofAladdin? A.ScottWeinger. B.BradKane. C.TerryO.Morse. D.MenaMassoud. 3Onwhichdaycanyouwatchafilmaboutapitifulanimalaccordingtothetext? A.March29. B.April5. C.May24. D.May31.
WheneverIvisithimheoftendifferentkindsoffruitstotreatme.A.laysout B.callsout C.leavesout D.clearsout
Thegirlisveryshyandsheisafraidtospeakto .stranger
在5-67-8这四个数中任取两个数相乘所得的积中最大的是
计算×8--
Ican'teatmyfavoritesweetcakesbecauseI'mafraidtoonweighteasily.
计算9×6
在-4-2.501四个数中比-3小的数是
-|-|×0=
计算30×-+
设abc是三个有理数若a＜ba+b=0且abc＞0则a+c的符号为
Forthose1lovetravelparticularlyrailtravelChinain1987wasacan't﹣misskindofplace. In1987Chinawasstilloperatingsteamtrainsonsomerailrouteswhichmadepeoplefrommanycountriesamazed.BruceConnollyaphotographerfromScotland2beoneofthem. ConnollyfirstcametoChinain19873starthiscontinuoustravellingthroughoutChina.Sincethenhe4traveltomostpartsofChinaexceptFujianZhejiangandJiangxi.Whereverhewenthiscameraremainedbyhisside.DuringhisjourneysinChinaConnollyfoundChinaverydifferentfrom5hesawinphotographswhichshowedChinesepeoplevery6religioninthewaytheydressedandbehaved.Insteadwhathesawwasthatpeoplewere7friendwelcomingandworebrightclothes.IntheearlyyearsofhisjourneymostChinesepeoplewerefascinatedwithforeignersvisitingChinabutnowthathaschangedin8citysuchasBeijingandShanghaiforeignersarenolongercuriosities. AnotherdramaticchangethatConnollyhasfeltinChinais9widespreaduseofnewtechnology.Chinahasbecomeoneofthemosttech﹣savvy懂技术的societies.Peoplenowdoeverythingwith10theysmartphonesanduseofcashisalmostdisappearing.
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
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
ab a2b2
湘公网安备 43130202000226号