有關20C.16的精選大全

已知實數x,y滿足,則以x,y的值為兩邊長的等腰三角形的周長是(  )A.20或16    B.20C.16 ...
問題詳情:已知實數x,y滿足,則以x,y的值為兩邊長的等腰三角形的周長是()A.20或16    B.20C.16    D.以上*均不對【回答】B【考點】等腰三角形的*質;非負數的*質:絕對值;非負數的*質:算術平方根;三角形三邊關係.【分析】根據非...
已知實數x,y滿足,則以x,y的值為兩邊長的等腰三角形的周長是(  )A.20或16  B.20C.16   ...
問題詳情:已知實數x,y滿足,則以x,y的值為兩邊長的等腰三角形的周長是()A.20或16  B.20C.16    D.以上*均不對【回答】B【考點】等腰三角形的*質;非負數的*質:絕對值;非負數的*質:算術平方根;三角形三邊關係.【分析】根據非負數...
如果等腰三角形兩邊長是8cm和4cm,那麼它的周長是(   )                   A、20c...
問題詳情:如果等腰三角形兩邊長是8cm和4cm,那麼它的周長是( )                   A、20cm       B、16cm        C、20cm或16cm    D、12cm【回答】A  知識點:等腰三角形題型:選...
  16      Yourschooldaysshouldbesomeofthebestandhappies...
問題詳情:  16      Yourschooldaysshouldbesomeofthebestandhappiestdaysofyourlife.Howcanyougainthemostfromthem,andensurethatyoudonotwastethiswonderfulopportunitytolearn?    Bepositiveaboutschoo...
若16x2+mxy+25y2是一個完全平方式,那麼m的值是(  )   A.20  B.﹣20C.40  D....
問題詳情:若16x2+mxy+25y2是一個完全平方式,那麼m的值是()   A.20  B.﹣20C.40  D.±40【回答】考點:完全平方式。專題:常規題型。分析:先根據兩平方項確定出這兩個數,再根據完全平方公式的乘積二倍項即可確定m的值.解答:解:16x...
下列各等式成立的是(  )A.4×2=8 B.5×4=20C.4×3=7 D.5×4=20
問題詳情:下列各等式成立的是()A.4×2=8 B.5×4=20C.4×3=7 D.5×4=20【回答】D【考點】二次根式的乘除法.【分析】根據二次根式乘法法則: •=(a≥0,b≥0),分別計算即可.【解答】解:A、4×2=8×5=40,故選項錯誤;B、5×4=20=20,故選項...
閱讀程式(如圖),若a=45,b=20,c=10,則輸出的結果為(  ) A.10B.20C.25D.45
問題詳情:閱讀程式(如圖),若a=45,b=20,c=10,則輸出的結果為()A.10B.20C.25D.45【回答】A知識點:框圖題型:選擇題...
  16 Whatwouldyoubelikeifyouweretotakethecollegeentranc...
問題詳情:  16 Whatwouldyoubelikeifyouweretotakethecollegeentranceexamtomorrow?  17 Or,worriedanduneasy?“IwassurprisedathowIcouldgetangrysoeasilywithmyparentsbeforeabigexam,”saidaSeniorThreestud...
將方程﹣=2進行變形,結果正確的是(  )A.﹣=2  B.﹣=20C.﹣=20     D.5(x+4)﹣2...
問題詳情:將方程﹣=2進行變形,結果正確的是()A.﹣=2  B.﹣=20C.﹣=20     D.5(x+4)﹣2(x﹣3)=2【回答】D.【解答】解:方程﹣=2進行變形得:﹣=2,即5(x+4)﹣2(x﹣3)=2,知識點:解一元一次方程(二)去括號與去分母題型:選擇題...
16.Thestorytellerwastellingusastoryinavividway
問題詳情:16.Thestorytellerwastellingusastoryinavividway____________________ithimself.(asif)這個講故事的人以一種生動的方式給我們講了一個故事,好像他親身經歷過一樣。17.Anofficialsaysabout3.33millionhectareso...
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16.
問題詳情:16.____Homecanbeagreatplaceforchildrentostudy.It’simportanttoprovideaworkspaceoftheirownwheretheycanreadbooksorjustwritealettertotheirfriends.●Location(位置)17.   Kitchenanddiningroomaren...
Mostofusleadabusylife.  16
問題詳情:Mostofusleadabusylife.  16_Wethink,“IfIreachedmy goal,thenIwouldbehappy”,or“IfIcouldgetabetterjob,thenIwouldenjoylife.”Butwhynotenjoyliferightnow?Firstly,taketimetonoticeandappreciate thebe...
的電阻兩端電壓值為6V,則在10min內通過導體橫截面的電量為(   )A.10C      B.20C   ...
問題詳情:的電阻兩端電壓值為6V,則在10min內通過導體橫截面的電量為(   )A.10C      B.20C     C.300C     D.600C【回答】C知識點:歐姆定律單元測試題型:選擇題...
 (16)
問題詳情: (16)____Youprobablythinkyouwillneverbeatopstudent.Thisisnotnecessarilyso,however.Anyonecanbecomeabetterstudentifheorshewantsto.Here’show: Planyourtimecarefully.Whenplanningyourwork,youshou...
Parentsfeelthatitisdifficulttolivewithteenagers.  16   ...
問題詳情:Parentsfeelthatitisdifficulttolivewithteenagers.  16   Accordingtoarecentresearch,themostcommonargumentbetweenparentsandteenagersisthatregardinguntidinessanddailyroutinetasks.  17   ...
已知3x3y2與﹣2x3my2是同類項,則4m﹣24的值是(  ) A.20B.﹣20C.28D.﹣28
問題詳情:已知3x3y2與﹣2x3my2是同類項,則4m﹣24的值是()A.20B.﹣20C.28D.﹣28【回答】B考點:同類項. 分析:根據同類項的概念求解.解答:解:∵3x3y2與﹣2x3my2是同類項,∴3m=3,∴m=1,則4m﹣24=4﹣24=﹣20.故選B.點評:本題考查了同類項的知識,解答本題的關鍵...
Catsarethosecutecreaturesthatwelovehavinginourhomes. 16...
問題詳情:Catsarethosecutecreaturesthatwelovehavinginourhomes. 16 Ifyoudon’tknowtheadvantagesyet,Icanenlighten(啟發)you.Allyougottodoistoreadbelow.Comeon,itisworthyourtime.1.Theyaregreathang-outbuddies...
-16÷4×=        .
問題詳情:-16÷4×=        .【回答】-1知識點:有理數的乘除法題型:填空題...
排列數=(  ) A.6B.20C.60D.120
問題詳情:排列數=()A.6B.20C.60D.120【回答】C考點:排列及排列數公式.專題:排列組合.分析:直接利用排列數公式求解即可.解答:解:排列數=5×4×3=60.故選:C.點評:本題考查排列數公式的應用,基本知識的考查.知識點:計數原理題型:選擇題...
 16 Safetyinthehighwayisnotsomethingthatistotallyoutofo...
問題詳情: 16 Safetyinthehighwayisnotsomethingthatistotallyoutofourcontrol.Herearefourwayswecanprotectourselveswhenwetravel.  17   Peopleinsmallcarsareinjuredmoreoftenandmoreseverelythanpeopletra...
下列各等式成立的是(  )A.4×2=8       B.5×4=20C.4×3=7     D.5×4=20
問題詳情:下列各等式成立的是(  )A.4×2=8       B.5×4=20C.4×3=7     D.5×4=20【回答】D知識點:二次根式的乘除題型:選擇題...
 16  Scientistsandexpertshaveprovedtheuniquenessoffinge...
問題詳情: 16  Scientistsandexpertshaveprovedtheuniquenessoffinger-printsanddiscoveredthatnoexactlysimilarpatternispassedonfromparentstochildren,thoughnobodyknowswhythisisthecase.Theridge(隆起)structur...
 16 Youprobablythinkyouwillneverbeatopstudent.Thisisnot...
問題詳情:16Youprobablythinkyouwillneverbeatopstudent.Thisisnotnecessarilyso,however.Anyonecanbecomeabetterstudentifheorshewantsto.Here’show:Planyourtimecarefully.Whenplanningyourwork,youshouldmakealis...
MaketherightchoicesWhatislife’sgreatestgift? 16
問題詳情:MaketherightchoicesWhatislife’sgreatestgift? 16______Choiceistheabilitytoselectonecourseofactionfromasetofalternativestoachieveagoal.Whatissogreataboutchoice?Ittransformsusfromdumbanimalsint...
 16 Ifyouaregrowingtomatoesinyourbackyardforsaleyouarep...
問題詳情: 16 Ifyouaregrowingtomatoesinyourbackyardforsaleyouareproducingforthemarket.Youmightsellsometoyourneighborandsometothelocalmanagerofthesupermarket.Butineithercase,youareproducingforthemarket...
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