首页
试卷库
试题库
当前位置:
X题卡
>
所有题目
>
题目详情
4扩大10倍后减去4,再缩小到它的加上4,结果是( )
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
把10.5先缩小到它的然后再扩大1000倍结果是
1.05
10.5
105
1050
把4.6先扩大100倍再缩小到它的得到的数是.
比的前项扩大到原来的2倍后项缩小到原来的它的比值
不变
扩大到原来的4倍
缩小到原来的
的前项扩大到原来的5倍后项缩小到原来的则比值
不变
扩大到原来的5倍
扩大到原来的25倍
缩小到原来的
我8.6缩小到它的1/100后再扩大1000倍得数是.
把3.5的小数点向右移动3位再缩小到它的结果
扩大到原来的10倍
不变
缩小到原来的
比的后项扩大到它的4倍要使比值不变比的前项0除外应该
扩大到它的4倍
缩小到原来的
大小不变
把10.54先扩大10倍再缩小到它的结果是1.054判断题
把1.81扩大到它的10倍再缩小到它的结果是0.0181. 判断对错
把10.8缩小到它的后再扩大到它的1000倍是
0.0108
108
0.108
2.00分3.14的小数点先向右移动一位再向左移动两位这个数
缩小到它的
缩小到它的
扩大到它的10倍
扩大到它的100倍
把2.67缩小到后再扩大10000倍.结果是
26.7
267
2.67
一个小数先扩大100倍再缩小到它的倍小数点的位置实际没有变化..判断对错
一个因数扩大到它的10倍另一个因数缩小到它的积就
扩大到它的10倍
缩小到它的
缩小到它的
扩大到它的100倍
把70.4先扩大10倍再缩小到它的结果是7.04.
一个三位数除以0.01结果和原数相比
缩小到它的
缩小到它的
扩大到它的10倍
扩大到它的100倍
把缩小到它的0.01后再扩大所得数的10倍是0.3.
0.03
3
30
把一个圆柱的底面半径缩小到原来的高扩大到原来的4倍它的体积
不变
缩小到原来的
扩大到原来的2倍
一个数扩大到它的100倍后再将小数点向左移动一位结果是
扩大到它的10倍
缩小到它的
不变
把9先缩小到它的再扩大到新数的100倍结果是原来的倍.
100
1000
10
热门试题
更多
LikemanyhighschoolgraduatesMaggieDoynedidn'tgostraighttocollege.ShedecidedtotravelandarrivedinwesternNepalin2006.Awarhadjustendedthereandleftmanychildrenlivingonthestreets.Theywereoftenforced toworkathardphysicaljobsforlittlemoney. OnedaywhilewalkingdownacountryroadDoynesawalittlegirlbreakinguprocks.Shesoonlearnedthat7﹣year﹣oldHimasoldtherockstosupportherfamily.WithdeepsadnessshedecidedtopayHima'stuition学费forschool.EncouragedbythechangesinthechildDoynethoughtIfwecanhelponechildwhynot10? Doynefeltthatthestreetchildren'sgreatestneedwasahome.Shefoundapieceoflandforsaleandboughtitwith$5000shesavedfromyearsofbabysitting当临时保姆.In2008theKopilaValleyChildren'sHomewassetup.Withthehelpfromthecommunityanothergoalwasreachedin2010﹣theKopilaValleySchool.Over350childrennowattendtheschoolandover50liveinthehome. TodayDoynelivesinthehomeandismumtothekids. 1WhendidMaggieDoynetraveltowesternNepal? A.In2006. B.In2007. C.In2008. D.In2010. 2WhydidHimabreakuptherocks? A.Todophysicalexercise. B.Tobuildanewschool. C.Togetmoneyforherfamily. D.Torepairthecountryroad. 3WhatcanwelearnfromParagraph3? A.Thestreetchildrenonceworkedasbabysitters. B.Doynegotsomesupportfromthecommunity. C.Doyneborrowedmuchmoneyfromthegovernment. D.Over5000childrenattendtheKopilaValleySchool. 4Whichofthefollowingmightbethebesttitleforthetext? A.MaggieDoyne﹣﹣﹣ALonelyTraveller B.WarinWesternNepal C.MaggieDoyne﹣﹣﹣MumtoMoreThan50 D.AGirlLivedonHerOwn
实验学校五月份用水405吨比四月份节约了10%四月份用水多少吨
假定你是李华你的英国笔友Mike最近因视力减退而感到不安请你用英文给他写封电子邮件谈谈你在保护视力方面的一些做法.要点如下: 1.经常做户外活动; 2.很少用电子产品; 3.坚持做眼保健操; 4.… 注意:1.词数80﹣100; 2.可适当增加细节以使行文连贯; 3.文中不能出现与本人相关的信息; 4.开头和结尾已为你写好不计人总词数. DearMike I'msorrytolearnthatyoureyesightisgettingweaker. Yours LiHua
Areyoushy?Ifyouareyouarenotalone.Infactnearly50%ofpeopleareshyandalmost80%feelshyatsomepointintheirlives.Whyarepeople1? Itisfoundthatfamilysizemight2peopletobeshy.Childrenwithnobrothersandsistersmaybeshy.Growingup3theyoftenplaybythemselves.Theyarenotabletodevelopthesamesocialskillsaschildrenfrombig4. Anothercauseofshynesscouldbe5.AsmoreandmorepeopleusetheInternetthey6lesstimeoutsidetalkingtopeople.Asaresulttheylosepracticeatconversation.7tonewpeoplefacetofacecanmakethemfeelnervous. Forshypeopleitcanbe8tomakefriendsspeakinclassandevengetagoodjob.Butscientistssayyoucan9yourshyness.Theysuggesttrying10thingsandpracticingconversation. Anywaydon'tbeafraidofshyness﹣youarevaluedforwhatyouare! 1A.excited B.shy C.happy D.brave 2A.remind B.teach C.guide D.cause 3A.quickly B.happily C.alone D.abroad 4A.countries B.cities C.teams D.families 5A.duty B.safety C.technology D.education 6A.design B.spend C.collect D.save 7A.Nodding B.Running C.Jumping D.Speaking 8A.difficult B.safe C.harmful D.surprising 9A.runinto B.lookfor C.getover D.dependon 10A.new B.private C.awful D.heavy
IfyouwanttovisitthePalaceMuseumIticketsforyoutomorrow. A.willbook B.booked C.havebooked D.wasbooking
﹣The5Gtechnologycanhelpdoctorstreatpatientswhoarehundredsofkilometersaway. ﹣It'sreally. A.secret B.direct C.amazing D.traditional
Icametoschoolthismorningbecauseitwasmyturntocleanourclassroom. A.early B.slowly C.quietly D.suddenly
两列火车从两城同时相对开出.一列火车行完全程要10小时另一列火车行完全程要8小时.经过几小时两车相遇
Wewillgoclimbingtomorrowiftheweatherisf晴朗的.
等腰三角形的一个底角是49°它的顶角是°.
在横线里填上“>”“<”或“=”. 28÷2560÷40 360÷4÷3360÷4×3 72﹣32÷872﹣32÷8 254﹣54﹣36154﹣54﹣36.
﹣Shallwegototheairporttoyoursister? ﹣Idon'tthinkit'snecessary.Shewillcomeherebytaxi. A.seeoff B.pickup C.lookafter D.comeacross
MyEnglishteacherisalwaysr准备好的withadviceforourstudyandlife.
Julietakesgoodcareofthefamilydog.Sheisthanherbrother. A.patient B.morepatient C.mostpatient D.themostpatient
﹣Lilyyoufinishtheletterintenminutes? ﹣YesIcan. A.must B.should C.need D.can
Thedesignerhastriedeverypossiblewaytomaketherobotlightsoyouworryaboutitsweight.A.must B.may C.can't D.needn't
﹣SorryItookthewrongseat. ﹣.Iwilltakeyoursinstead. A.Noway B.Betternot C.Excuseme D.That'sallright
﹣MumI'vegotthefirstprizeinthespeechcompetition. ﹣myboy! A.Welldone B.Mypleasure C.Goodluck D.It'shardtosay
﹣Didyounoticeinheroffice? ﹣Yes.Shewasgoingoverourwriting. A.whatwasMissLindoing B.whatMissLinwasdoing C.whatdoesMissLindo D.whatMissLindoes
ExperiencingChina 1WhovisitedatraditionalChinesemedicinehospital? A.Mike. B.Joanna. C.Bill. D.Cindy. 2HowlongdidJoannastaywithherhostfamilyinChina? A.Threemonths. B.Fourmonths. C.Fivemonths. D.Sixmonths. 3Cindythinksherhostsisteris. A.awonderfulcook B.aresponsibledoctor C.awarm﹣heartedteacher D.ahardworkingstudent
﹣HelloBeijingHotel.CanIhelpyou? ﹣YesI'dliketoasingleroomfortwonights. A.enter B.move C.book D.provide
计算. 190+[12﹣0.38×16.4+8.6] 8.3×2.5+31.7×2.5 1.25×96 120+23×5+182÷13.
Couldyoustayalittlelonger?Ihavemoretotellyouabouttheplanfortomorrow. A.something B.everything C.anything D.nothing
﹣Tomwhat'syourdaddoing? ﹣Hemybike. A.repairs B.willrepair C.hasrepaired D.isrepairing
Weplantedsomeflowersthegardenyesterday. A.on B.to C.in D.of
爸爸去买汽车销售人员告诉他如果分期付款加价7%如果现金购买可享受九五折优惠.爸爸算了算发现分期付款比现金购买要多付8400元.这辆车的原价是多少元
HugeWavesDestroyingArcticIceFasterthanExpected IcecoversmuchoftheArcticOcean北冰洋.Somepiecesoficearehugelikemovingislands.Astemperatureshaveincreasedhoweversomeoftheicehasbeguntodisappear.Scientistshavediscoveredhugewaves海浪inthearcticwaters. ThewaveswerediscoveredbyaccidentinMay2010.ScientistAlekseyMarchenkoandhisstudentssetoutonatrip.Theywantedtostudytheicywaters. OnMay2theshiptraveledeastandstoppednexttoalargechunkofice.around50milesfromthesmallislandofHopen.MarchenkopreparedtoleadhisstudentsoutontotheIce WewerereadytogobutwhenIwentoutIdiscoveredmanycracks裂缝aroundheremembers. Hedecidedtomovetheshipdeeperintotheicetokeepsafe.Thefartherintheywenthethoughtthehardertheicewouldbecome.Astheypushedforwardhowevertheshipexperiencedsmallwavesandthenbiggerones.Soonthewavesbrokeuptheicearoundtheshipintothousandsofsmallerpieces. WithinanhourMarchenkoandhisteamsawawavethatwasabout13feethigh.Theship'snavigation航行systemfinallyrecordedthelargestwaves.Theyweremorethan20feetinheight.Thewavesweresostrongthattheyforcedhugepiecesoficetojumpupanddownbreakingtheiceintosmallerpieceswithinjustonehour.Scientistshadneverimaginedthattheprocesscouldhappensofast.Thewavesintheseareasusedtobesmall. Thespeedandforceofthehugewavestheremakesitimpossibletoknowinadvancewhentheyarecoming.Thatcouldbedangerousfornavigatorsandlocalcommunitieswhoareunpreparedforhugewavesordependonseaicetoprotectthem.Wildlifelikepolarbearsandwalrusesthatdependonseaicetoliveisalsoindanger. Somescientiststhinkpeoplewillsoonseeevenbiggerwavesintheseicywaters.Aswavesbreakupicetheseaswillbecomemoreopenandthewaveswillgetevenstronger.Therearestormytimesahead. 1WhendidMarchenkoandhisstudentsdiscoverhugewavesinthearcticwaters? 2WhydidMarchenkoandhisstudentssetoutonthetrip? 3WhatdidMarchenkodecidetodotokeepsafe? 4Howhighwerethelargestwavesrecordedbythenavigationsystem? 5WhatisParagraph7mainlyabout?
ItisexpectedthatPacificIslandcountrieswillbecomepopularwithChinesetouristsin2019.Whichoneshouldyouchooseforyoursummerholiday? 1Whichcountryisthefirstonetostartanewday? A.PapuaNewGuinea. B.KingdomofTonga. C.TheRepublicofVanuatu. D.Fiji. 2PeoplegotoFijifortheirholidaysmainlybecause. A.thingstherearewellworthseeing B.theunderwaterpostofficeisexciting C.theywanttostayintheRoyalPalace D.itisthelargestPacificIslandcountry 3WhichlanguageisspokeninallthefourPacificIslandcountries? A.TokPisin. B.French. C.Bislama. D.English. 4Whatisthepurposeofthetext? A.Toaskforsomehelp. B.Tointroducelanguages. C.Toansweraquestion. D.Toofferholidaychoices.
Rememberwhenyouwerealittlechildtryingtolearntowalk? Firstyouhadtolearnhowtobalance平衡yourselfandstand.Youfelldownandthengotbackup.Youlaughedsometimesandcriedatothertimes.Aftermuchpracticeyoufinallylearnedhowtobalanceyourself.Yougotmuchpleasurefromthisnewfeelingofpower﹣you'dstandeverywhereyoucould.Itwasahappytime﹣youdidit! Nowthenextstep﹣walking.You'dseenothersdoit.Itdidn'tlookthathard﹣justmoveyourlegswhileyouwerestanding.Wrong﹣moredifficultthanyoueverimagined.Butafteryoutriedagainandagainandagainyouunderstoodhowtowalk. IfpeoplefoundyouwalkingtheycheeredOhlookatwhatthekidisdoing.Thisencouragedyou!Butlookbackonthosedayswhenyouwerethelittlechild﹣howmanytimesdidyoutrywhennoonewaswatchingorwhennoonewascheering?Youcouldn'twaitforsomeonetoencourageyoutotakethenextsteps.Youlearnedhowtoencourageyourself. Sokeeptryingandencouragingyourselfasyoulearnedtowalkifyouwanttosucceedindoingsomething. 1Whatisthefirststepinlearningtowalk?不超过15个词 2Whendidyouunderstandhowtowalk?不超过15个词 3Whatshouldyoudoifyouwanttosucceedindoingsomething?不超过15个词
Sometimesitseemsthattimeisflying.Perhapsitdoesn'tneedtofeelthisway.Ourexperienceoftimecanbepossiblychanged.Byunderstandingthepsychological心理学的processesbehindourdifferentexperiencesoftimewemightbeabletoslowdowntimealittle. Onebasiclawofpsychologicaltimeisthattimeseemstoslowdownwhenwe'reexposed接触tonewenvironmentsandexperiences.Thelawiscausedbytherelationshipbetweenourexperienceoftimeandtheamountofinformationourmindsprocess.Themoreinformationourmindstakeintheslowertimeseemstopass. Itfollowsthenthatwehavedifferentexperiencesoftimeindifferentsituations.Insomesituationsourlifeisfullofnewexperiences.Ourmindsprocessalotofinformationandtimeseemstoslowdown.Inothersituationswehavefewernewexperiencesandtheworldaroundusbecomesmoreandmorefamiliar熟悉的.Webecomeinsensitivetoourexperiencewhichmeansweprocesslessinformationandtimeseemstospeedup. Howcanweslowdowntime?Herearetwosuggestions. Firstlysinceweknowthatfamiliaritymakestimepassfasterwecanexposeourselvestoasmanynewexperiencesaspossible.Wecangiveourselvesnewchallengesmeetnewpeopleandexposeourmindstonewinformationhobbiesandskills.Thiswillincreasetheamountofinformationourmindsprocessandexpand增加ourexperienceoftime. Secondlyandperhapsmosteffectivelywecangiveourwholeattentiontoanexperience﹣towhatweareseeingfeelingtastingsmellingorhearing.Thismeanslivingthroughoursensesratherthanthroughourthoughts.Forexampleonthewayhomefocusyourattentionoutsideofyourselfinsteadofthinkingabouttheproblemsyouhavetodealwith.Lookattheskyoratthebuildingsyoupasstravelingamongthem.Thisopenattitudetoyourexperienceshelpstakeinmoreinformationandalsohasatime﹣expandingeffect. Toacertaindegreewecanunderstandandcontrolourexperienceoftimepassing.It'spossibleforustoslowdowntimebyexpandingourexperienceoftime. 1Accordingtothewriterwecanexpandourexperienceoftimeby. A.goingtobedontime B.travelingtonewplaces C.havingdinnerasusual D.printingthesamematerials 2Whatcanwelearnfromthepassage? A.Beingfamiliarwiththeworldaroundhelpsusgetmoreinformation. B.Understandingpsychologicaltimemakeslifepassmorequickly. C.Wecantakeinmoreinformationbylivingthroughoursenses. D.Weshouldbuildastrongerrelationshipbetweentimeandus. 3Whichofthefollowingwouldbethebesttitleforthepassage? A.SlowDownTime B.OnlyTimeWillTell C.RaceAgainstTime D.TimeWillNotComeTwice
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
高一上学期英语
高一下学期化学
高一下学期物理
高三下学期数学
高三上学期数学
高一下学期英语
教案备课库
高一上学期生物
高一下学期生物
高二上学期数学