首页
试卷库
试题库
当前位置：
X题卡
>
所有题目
>
题目详情
6的相反数为（ ）
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
已知M.是6的相反数N比M.的相反数小2则m－n等于
4
8
－10
2
关于相反数的叙述错误的是
两数之和为0，则这两个数为相反数
如果两数所对应的点到原点的距离相等，这两个数互为相反数
符号相反的两个数，一定互为相反数
零的相反数为零
下列叙述正确的个数是①表示互为相反数的两个数的点到原点的距离相等②互为相反数的两个数和为0③互为相反
1个
2个
3个
4个
下面说法正确的有①的相反数是－3.14②符号相反的数互为相反数③－－3.8的相反数是3.8④一个数和
０个
１个
２个
３个
-6的相反数的相反数是_______;
下面说法正确的有①π的相反数是﹣3.14②符号相反的数互为相反数③﹣﹣3.8的相反数是3.8④一个数
0个
1个
2个
3个
已知a与b互为相反数b与c互为相反数且c=﹣6则a=.
已知ab互为相反数cd互为倒数m的相反数是的倒数则的值为_________.
下面说法正确的有①的相反数是－3.14②符号相反的数互为相反数③－－3.8的相反数是3.8④一个数和
０个
１个
２个
３个
下列语句①﹣5是相反数②﹣5与+3互为相反数③﹣5是5的相反数④﹣3和+3互为相反数⑤0的相反数是0
①②
②③⑤
①④⑤
③④⑤
下列说法错误的是
6是-6的相反数
-6是-（-6）的相反数
-（+8）与+（-8）互为相反数
+（-8）与-（-8）互为相反数
关于相反数的叙述错误的是
两数之和为0，则这两个数为相反数
如果数轴上两数所对应的点到原点的距离相等，则这两个数互为相反数
符号相反的两个数，一定互为相反数
零的相反数为零
—6的相反数为
下面用数学语言叙述代数式-b其中表达不正确的是
比a的倒数小b的数
1除以a的商与b的相反数的差
1除以a的商与b的相反数的和
b与a的倒数的差的相反数
下列说法不正确的是
一个数（不为0）与它的倒数之积是1
一个数与它的相反数之和为0
两个数的商为﹣1，这两个数互为相反数
两个数的积为1，这两个数互为相反数
已知M.是6的相反数N.比M.的相反数小2则M-N=.
-6的相反数是______
下列结论正确的有①任何数都不等于它的相反数②符号相反的数互为相反数③表示互为相反数的两个数的点到原点
2个
3个
4个
5个
下面说法正确的有①的相反数是－3.14②符号相反的数互为相反数③－－3.8的相反数是3.8④一个数和
０个
１个
２个
３个
下面说法中正确的是
和
互为相反数
和-0.125互为相反数
-a的相反数是正数
两个表示相反意义的数是相反数
热门试题
更多
10分Therewasoncealonelygirlwhowantedloveverymuch.Onedaywhileshewaswalkinginthewoodsshefoundtwobirds.1Shetookcareofthemwithloveandthebirdsgrewstrong.Everymorningtheygreetedherwithabeautifulsong.Thegirlfeltgreatloveforthebirds.Shewantedtheirsingingtolastforever.2Thelargerandstrongerofthetwobirdsflewoutofthecage.Thegirlwatchedworriedlyasheflewaboveher.Shewassofrightenedthathewouldflyawayandshewouldneverseehim.Soasheflewcloseshecaughthimquickly.Shefeltveryhappy.3Herlovehadkilledhim.Shenoticedtheotherbirdstandingatthedoorofthecage.Shecouldfeelhisgreatneedforfreedomandhisneedtoflyintotheclearbluesky.4Thebirdflewaroundheroncetwicethreetimes.Thegirllookedhappilyatthebird'senjoyment.Herheartwasnolongerconcernedwithherloss损失.5Suddenlythebirdflewcloserandlandedsoftlyonherhand.Itsangthesweetestsongshehadeverheard. Thefastestwaytoloseloveistoholdontootightthebestwaytokeeploveistogiveitwings! A.Onedaythegirlleftthedoortothecageopen. B.Sheliftedhimfromthecageandfreedhim. C.Shetookthemhomeandputtheminasmallcage. D.Thebirdsweresobeautifulthatshelovedthemverymuch. AB.Shewantedthebirdtobehappy. AC.Sherealizedhermistake. AD.Howeverwhensheopenedherhandshefoundthebirdhaddied.
为了缓解上学时校门口的交通压力某校随机抽取了部分学生进行了调查来了解学生的到校方式并根据调查结果绘制了如下统计图表 某校学生到校方式抽样调查统计表 到校方式 学生人数 乘车 90 骑车 m 步行 20 其他 50 根据统计图所提供的信息解答下列问题 1本次抽样调查中的样本容量是m＝ 2扇形统计图中学生到校方式是“步行”所对应扇形的圆心角的度数是 3若该校共有1500名学生请根据统计结果估计该校到校方式为“乘车”的学生人数 4现从四名采取不同到校方式的学生中抽取两名学生进行问卷调查请你用列表或画树状图的方法求出正好选到到校方式为“骑车”和“步行”的两名学生的概率．
1分Greeceisoneofthe发源地oftheancientcivilazition
如果αβ是一元二次方程x2+3x﹣2＝0的两个根则α2+4α+β+2019的值是．
10分假定英语课上老师要求同桌之间交换修改作文请你修改你同桌写的以下作文.文中共有10处错误每句中最多有两处.错误涉及一个单词的增加删除或修改. 增加在缺词处加一个漏字符号∧并在其下面写出该加的词. 删除把多余的词用斜线\划掉. 修改在错的词下划一横线并在该词下面写出修改后的词. 注意1.每处错误及其修改均仅限一词 2.只允许修改10处多者从第11处起不计分. Ladiesandgentlemen Youarewelcometoourschool.NowIwouldlikelytointroduceournet﹣schooltoyou. Ournet﹣schoolisveryhelpfullyinmanyways.Firstitmakesbothteachingandlearningeasierandmuchinteresting.Studentscangetmoreknowledgesinclass.Whoeverhaveacomputercanhavethelessonswegiveathome.Secondit'saccessibleforbothteachersandstudents.WecanmakegooduseoftheInternetsendinge﹣mailssearchinganyinformationweneed.Thirdthenetalsohelpsimproveourschoolmanagementbutmeettheneedsofthemoderneducation.Atlastasakeyschoolinourcityitsetsagoodexampletothenewly﹣builtschoolsandmaybeofsomehelptoit. That'sall!Thankyou.
1分满怀希望地hesetoffforthesouthtomakefortune.
1分Heoftentakesan积极的partingroupdiscussion.
如图边长为2的正方形ABCD的顶点AB在x轴正半轴上反比例函数y＝在第一象限的图象经过点D交BC于E． 1当点E的坐标为3n时求n和k的值 2若点E是BC的中点求OD的长．
6分OnedayIdrovewithmywifetospendaweekendwithmymotherlivinginthecountryside.WhenIarrivedhowevershewasn'tathome.SoIdecidedtohangoutwithouroldneighborMr.Brownwhoisafantasticwoodworker.WhenImethimhewasbuildingasmalltableinhisworkshop. Italkedwithhimforaboutforty﹣fiveminutes.DuringthatperiodoftimeIalsohelpedhimdosomesimplework.Ifoundhehadallkindsoftoolsintheworkshop.Itwasthosetoolsthathelpedhimtocreatebeautifulpiecesoffurniture. Weknowthattoolsusedbyprofessionalscanservethepurposesofeasingtheworkprocessorhelpingbeautifytheresults.Morethanlikelywe'vemadeuseoftoolstoimprovethecraftingandcompleteprojects.We'reallgratefulforcalculatorscomputersandsmartphonesfortheconveniencetheyoffer.AlongwiththesedevicesIthoughtaboutthevariousmethodsandskillsI'velearnedandintegrated融入intomydailylifeovertheyears. Ifthereisaspecificaspectofyourlifethatyoucannotovercomeperhapsyoujustneedatoolorpracticetomaketheenergyproducemuch﹣neededpower.Ifyou'restrugglingwithweightissuesorfinancialproblemstherearesomepracticalenergeticapplicationsyoucanlearn.Thesespiritualtoolscanincreaseyourability.Choosealternatethoughtsactionsandsolutions.Remembertheseareavailable. Giveyouanideaofhoweasysomeofthesepracticesare.Myten﹣year﹣olddaughterusesthematleastthreetimesaday.Forexamplewhentensionariseswithinherfriendshipcircleorifsheneedstorememberananswerforatestsheopensheronesmallboxofcandiesandcallsuponthemforassistance.Withthesetoolsshebecomessmarttocreatechangeandachievebetterresults. 1Whydidtheauthorgotothecountryside? A.Tohaveashorttrip. B.Tohaveatalkwithanoldneighbor. C.Topayhismotheravisit. D.Tolearntomakefurniturefromawoodworker. 2AccordingtotheauthorwhatmadeMr.Browncreatebeautifulfurniture? A.Theassistanceofhistools. B.Hisspecialtalents. C.Heauthor'stimelyhelp. D.Thecooperationwithothers. 3Whatisthethirdparagraphmainlyabout? A.Theachievementsofscience. B.Theimportanceoftoolsanddevices. C.Thebenefitsofapplyingtechnologytolife. D.Theconvenienceofmodernlife.
如图△ABC是等边三角形点C在直线b上若直线a∥b∠1＝34°则∠2的度数为
1分尽管他们面对许多困难他们从不放弃. Althoughtheymanydifficulitiestheynevergaveup.
8分Acouplehadasonelevenyearsaftertheymarried.Teywerealovingcoupleandtheboywastheappleoftheireye.Whentheboywasaroundfouryearsoldonedaytheftherwasverytiredafterworksoheaskedhiswifetopickuptheirson.Themotherwhowasverybusyinthekitchentotallyforgotaboutit. Latertheboylosthiswayonthestreet.Whenthesonwasfoundmissingthemotherhurriedtolookforhimbutshedidn'tfindhim.Themotherfeltverysadanddidn'tknowhowtofaceherhusband. Whenthefatherwenttothepolicestationafterhearingthatthesonwasmissinghelookedathiswifeandsaidjustfourwords.Whatdoyouthinkthefourwordswere?ThehusbandjustsaidIloveyoudarling. Thesonwasmissing.Ifshehadpickedhimupearlierthiswouldnothavehappened.Thereisnopointinblaming责备anyone.Hiswifehadalsolostheronlychild.Whathiswifeneededatthatmomentwascomfortandunderstandingfromherhusband.Thatiswhatthehusbandgavehiswife.Severalweekslaterwiththehelpofthepolicethecouplefinallyfoundtheirlostson.Thefamily'srelationshipbecamestrongeroverthattime. Sometimeswespendlotsoftimeaskingwhoistoblame责备Wemissmanychancestogiveeachothersupportandleteachotherfeelthewarmthofhumanrelationships关系.Getridof摆脱allyourunwillingness不乐意toforgive宽恕selfishnessandfearsandyouwillfindtheworldismuchmorewonderful. 1Whatisthemeaningoftheunderlinedphrasetheappleoftheireye? A.Apersonwhoalwayshasasweetsmileintheiropinion. B.Apersonwhoisasprettyasanappleintheiropinion. C.Apersonwhoislovedmorethananyoneelseintheiropinion. D.Apersonwholookslikeanappleintheiropinion. 2Whydidn'tthefatherpicktheboyuphimself? A.Hewasverylazy. B.Hethoughtthemotherhadpickedhimup. C.Heforgottopickhimup. D.Hewastootiredtodoit. 3Whatcanwelearnfromthispassage? A.Becarelessineverythingyoudo. B.Loveisn'tthemostimportantthing. C.Learntoforgiveothers. D.Everyonecanberight. 4Whatdoyouthinkofthehusband? A.Warmhearted. B.Careful. C.Hardworking. D.Broad宽minded.
如图在等腰△ABC中AB＝ACBC＝3sinA＝则AB的长为
先化简再求值1﹣÷其中x＝．
1分要想通过考试我们应该埋头学习. Weshallourstudyifwewanttopasstheexam.
1分Thereisa可能性thathewillbeabsent.
若圆锥的母线为5底面半径为3则圆锥的侧面积为．
﹣2的相反数是．
1分The受到污染的airdoesgreatharmtopeople'shealth.
22.5分InAmericadriverseducationispartoftheregularhighschoolcurriculum.Everystudentinhisorhersecondyearofhighschoolisrequiredto1aclassindriverseducation. Howeverunlikeother2itisnotgivenduringthe3schoolyear.Insteaditisasummercourse.Thecourseisdividedupintotwopartsclasstimeforlearninglawsand4anddrivingtimetopracticedriving.Classtimeisnotunlikeanyotherclass.Thestudentshavea5fromwhichtheystudythebasic6theymustknowtopassthewrittendrivingtestthatisgiventoanyonewantingtogetadriver's7. Drivingtimeisachanceforthestudentstogetbehindthesteeringwheelandpracticestartsteeringbackingupparkingswitchinglanesturningcornersandalltheotheroperations8todriveacar.Eachstudentisrequiredtodriveatotalofsix9.Thestudentsaredividedupintogroupsoffour.Thestudentsandtheinstructorgooutdrivingfortwo﹣hourblocksoftime.Thuseachstudentgetshalfanhourdrivingtimeperouting.Theinstructoranddriversitin10seatsandtheotherthreestudentssitintheback. DriversEDcarsareunlikeothercarsinwhichtheyhavetwosetsofbrakesoneondriversideandoneontheothersidewherethe11sits.Thusifthestudentdrivershouldruninto12theinstructorcantakeover.Thecaralsohasanother13feature.Onthetopofthecarisasignthat14STUDENTDRIVER.Thatletsnearbydriversknowthattheyshoulduseextracautionbecausethestudentdriverisabeginningdrivernotveryexperiencedandintendedtodrive15. 1A.give B.take C.start D.seat 2A.schools B.practices C.operations D.courses 3A.basic B.extra C.regular D.special 4A.features B.regulations C.operations D.instructions 5A.text B.chance C.practice D.test 6A.laws B.skills C.signs D.parts 7A.experience B.education C.license D.curriculum 8A.separated B.intended C.required D.mixed 9A.courses B.hours C.tests D.classes 10A.driving B.passenger C.front D.window 11A.examiner B.instructor C.operator D.passenger 12A.difficulties B.blocks C.outings D.corners 13A.basic B.strange C.similar D.special 14A.reads B.writes C.warns D.tells 15A.quickly B.regularly C.practically D.slowly
1分政府应该采取措施保护环境. Governmentshouldprotectenvironment.
10分 HowtoMakeFriends Friendshipisaveryimportanthumanrelationshipandeveryoneneedsgoodfriends.Goodfriendshiphasmanybenefits.Itofferscompanionshipimprovesself﹣worthandpromotesgoodhealth.Therearetimesinourlivessuchaswhenwehaverecentlymovedintoanewtownorchangedourjobsorschools.Suchchangesoftenleavesuswithoutafriend1.Butformanyofustheprocessisdifficultandrequirescourage.Belowaresomehelpfulsuggestionsonhowtomakeandkeepfriends. 1.Associatewithothers. Thefirststeptomakingfriendsisassociatingwithotherpeople.Youcangotopublicplacestomeetnewpeople.Besidesyouwillneedtomakeyourselfknownbybecominganactivememberofsuchplaces. 2.Startaconversation Startingaconversationisthesecondmostimportantstepinmakingnewfriends.2Youcanalwaysstarttheconversation.Beingabletomakesmalltalkisaveryusefulskillinrelatingwithotherpeople. 3.3 Choosingfriendswithcommoninterestsisimportantinbuildingfriendshipastheseinterestswouldalwaysbringyouandyourfriendtogether.Hangingoutwillalwaysbeapleasantexperience. 4.Letitgrow. Itisagoodthingtostayintouch.Howevertrynottopressyournewfriendwithcallsmessagesorvisitsasthiswouldlikelywearhimorheroutandfinallyyoumayloseyourfriend.4Thebestfriendshipsaretheonesthatgrownaturally. 5.Enjoyyourfriendship Thebestwaytoenjoyyourfriendshipistoallowyourfriendstobethemselves.5Trynottochangethemfromwhotheyaretowhatyouwantthemtobe.Becomethekindoffriendyouwillwantyourfriendtobetoyou. A.Becheerful. B.Dothingstogether. C.Donotwaittobespokento. D.Trynottofindfaultwithyourfriends. E.Makingnewfriendscomeseasyforsomepeople. F.Forafriendshiptodevelopyouneedtostayintouch. G.Soyouwillneedtogiveyourfriendtimetoreacttoyou.
在一次综合社会实践活动中小东同学从A处出发要到A地北偏东60°方向的C处他先沿正东方向走了2千米到达B处再沿北偏东15°方向走恰能到达目的地C如图所示则AC两地相距千米．
计算|﹣|+π﹣10﹣2cos30°
1分我在法国时偶尔学会了一些法语. IsomeFrenchwhenIwasinFrance.
如图△ABC内接于圆O∠OAC＝25°则∠ABC的度数为
8分FirstLadyMichelleObamaisabigfanofvolunteering.Volunteeringmeansworkingforfreetohelpsomeoneelse.Mrs.Obamasaysvolunteeringisveryimportant.Itshouldbepartofeveryone'slifeshesays. Manyteensagree.Theysaythathelpingothersfeelsgreatandmakesadifference.Thesedaysmoreteensvolunteerthanworkforpay.Teenscleanupparkswalkdogsatanimalsheltersvisittheelderlyandmore. Somecities﹣﹣﹣﹣includingSeattleChicagoandWashingtonD.C.﹣﹣﹣﹣requirehighschoolstudentstovolunteer.Studentsmustvolunteerinordertograduate.Thestudentvolunteerslearnnewskillsandhelptheircommunities. Manyparentsareinfavoroftheidea﹣﹣﹣﹣theysayvolunteeringhelpsteensbuildjobskills.Butmostteensdon'twanttobeforcedtovolunteer.Theysaytheyarebusy.Andtheysayvolunteeringisonlyfunifit'sachoice. Readbothsidesofthedebateanddecide. YES Volunteeringcanhelpteensgetintocollegeorgetajob. Manycitiesandtownsneedhelp.Volunteerscanhelpkeepimportantprogramsgoing. Notallteenswillvolunteerifitisn'trequired.Schoolsshouldrequirestudentstodoalltheycantogetreadyforadultlife. NO Mostteensarealreadyverybusywithclasseshomeworkjobsandsports.Forcingthemtodomoreisn'tfair. Itshouldbeuptoeachperson.Helpingoutdoesn'tfeelasgoodifyouhavetodoit. Findingavolunteerjobisn'talwayseasy.Studentsshouldn'tbekeptfromgraduatingbecauseofsomethingtheycan'tcontrol. 1ThewritermentionsMichelleObamainorderto. A.introducethetopicofthetext B.explainwhatvolunteeringis C.tellwhatshedoesfortheus D.showsheenjoysvolunteering 2AccordingtothetextinChicago. A.findingavolunteerjobisquiteeasy B.morepeoplewouldratherworkforpay C.volunteeringisamustforhighschoolstudents D.collegestudentshavetovolunteerbeforegraduation 3Theunderlinedpartareinfavorofinthetextmeans. A.drop B.develop C.catch D.like 4Whichquestiondoesthetextmainlydiscuss? A.Isvolunteeringgoodforstudents? B.Shouldstudentsberequiredtovolunteer C.Whatisthebesttimetovolunteer? D.Whichvolunteerjobsshouldstudentsdo?
8分 Usetheroof Ifyouhavetherightkindofroofsomeenergycompanieswillpaythecostoffixingsolarequipmentaround14000andletyouusetheenergyproducedfornothing.InreturntheygetpaidforunusedenergyfedbackintotheNationalGrid.Howeveryouhavetosigna25﹣yearagreementwiththesupplierwhichcouldpreventyoufromchangingtheroof. Useyourparkingspace Aparkingspaceorgaragewhichyouhaven'tusedcanmakemoney.Ifyouliveclosetoacitycenteroranairportyoucouldmakeanythingupto200or300aweek.PutanadvertisementforfreeonLetparkorAtmyhousepark. Rent出租aroom Notonlywillaspareroomearnyouanincomebutthankstothegovernment﹣backedrentaroomprogramyouwon'thavetopayanytaxonthefirst4500youmakeperyear.TryadvertisingyourroomonRoomspareorRoommateeasy. Makemoneyduringspecialevents Don'twantafull﹣timelodger?Thenrentonashort﹣termbasis.IfyouliveinthecapitalrentingaroomoutduringtheOlympicsorotherbigeventscouldbringinmoney.Grashpaddercanadvertiseyourspace. Liveonset Rentingyourhomeoutasafilmsetcouldearnyouhundredsofpoundsadaydependingonthefilmproductioncompanyandhowlongyourhomeisneeded.AquicksearchontheInternetwillbringupdozensofonlinecompaniesthatallowyoutoregisteryourhomeforfree﹣butyouwillbechargedifyourhomegetspicked. 1Ifinoneyearyouearn5000fromrentingaroomyouneedtopaythetaxbasedon. A.500 B.800 C.4500 D.5000 2Duringabigeventtorentoutaroomwherecanyouputanadvertisement? A.OnLetpark. B.OnRoomspare. C.OnRoommateeasy. D.OnGrashpadder. 3Ifyouhopetogetenergyfreeyoumust. A.signanagreementwiththegovernment B.payaround14000fortheequipment C.keeptheroofunchangedwithin25years D.selltherooftosomeenergycompanies 4Thetextismostprobablywrittenfor? A.Lodgers. B.Houseowners. C.Advertisers. D.Onlinecompanies
有一组数据122568这组数据的中位数是
如图抛物线y＝ax2﹣3ax﹣4aa＜0与x轴交于AB两点直线y＝x+经过点A与抛物线的另一个交点为点C点C的横坐标为3线段PQ在线段AB上移动PQ＝1分别过点PQ作x轴的垂线交抛物线于EF交直线于DG． 1求抛物线的解析式 2当四边形DEFG为平行四边形时求出此时点PQ的坐标 3在线段PQ的移动过程中以DEFG为顶点的四边形面积是否有最大值若有求出最大值若没有请说明理由．
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
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
和
互为相反数 
和-0.125互为相反数 -a的相反数是正数 两个表示相反意义的数是相反数
湘公网安备 43130202000226号