首页
试卷库
试题库
当前位置:
X题卡
>
所有题目
>
题目详情
计算或化简: (-2)2+(+1)(+3).
查看本题答案
包含此试题的试卷
教案备课库《初二年级数学研修学案201612040》真题及答案
点击查看
你可能感兴趣的试题
计算化简1232x3y2•-2xy+-2x3y3÷2x24
先化简再计算3﹣2x3+2x+4﹣2﹣x2其中x=﹣0.25.
计算与化简12
你能化简x﹣1x99+x98+++x+1吗遇到这样的复杂问题时我们可以先从简单的情形入手.然后归纳出
先化简后计算2a2b+ab2-[2ab2-1-a2b]-2其中a=-2b=
1计算2014﹣0+|3﹣|﹣2化简1﹣÷﹣2
按要求完成下列各题1化简3a+﹣8a+2﹣33a﹣4.2先化简再求值3x2y﹣2xy﹣2x2y﹣3x
计算化简12.
计算或化简y-1--2y+3
已知含字母ab的代数式是3[a2+2b2+ab﹣2]﹣3a2+2b2﹣4ab﹣a﹣11化简代数式2小
化简2+31﹣2a﹣1﹣a﹣a2
先化简后计算2a2b+ab2-[2ab2-1-a2b]-2其中a=-2b=
先化简再计算其中x是一元二次方程x2﹣2x﹣2=0的正数根.
计算或化简2x-4-32x+1
化简1×1!+2×2!+3×3!++n×n!
计算或化简计算.
计算或化简1计算.2先化简再求值xx﹣3+3﹣x3+x其中x=﹣2.
1根据如图所示的尺寸计算阴影部分的面积s.用含ab的式子表示并化简2在1中若a=3b=1求s的值.
在如下所示的进程资源图中1该进程资源图是2 空白2处应选择
可以化简的,其化简顺序为P1→P2→P3
可以化简的,其化简顺序为P3→P1→P2
可以化简的,其化简顺序为P2→P1→P3
不可以化简的,因为P1、P2、P3申请的资源都不能得到满足
计算或化简求值2a²+2a-1-3a²-2a-3
热门试题
更多
—Whatagoodyou'vegivenme!Thanksalot.—Mypleasure.A.information B.news C.suggestion D.advice
—Whatfruitwouldyoulike?—Someplease.Theyaremyfavorite.A.dessert B.juice C.grapes D.biscuits
OurEnglishteachersthatwe'dbetterlearnEnglishbyusingit.
Thesewordsmewritingtomymothertomorrow.A.help;with B.add;into C.remind;of D.regard;as
WetalkedabouttheproblemandTimdoingsomeresearchfirst.A.finished B.enjoyedC.suggested D.practiced
—DoyouknowAmycametoschoollatethismorning?—Herbikewasbrokensoshehadtowalk.A.why B.how C.when D.where
Itisnotenoughtojustaskaquestion correct.
IusuallyTian'anmenSquareonthewaytoschooleveryday.A.passon B.passby C.dropby D.comeby
Thisistheonlycanswer.Alltheothersarewrong.
—CanyousparetimetocometoourThanksgivingparty?—WellIdon’tknow.A.thatIcanfinishmyworkbythen B.ifcanfinishworkbythenC.whetherIcanfinishtheworkbythen D.thatcanIfinishbythen.
?Ican’thearyouclearly.It’stoonoisy.
Doyouremembertheclerkfromyouboughtthecoat?
Doyouknowwhenthebookstoreclosetoday?
—DoyouknowwhytheteacherJohnyesterday?—Becausehedidn'thaveclassesallthemorning.A.praised B.punished C.thanked D.met
Iwasscaredatfirstbutshoutingreallydidhelp.
Thetrafficsignswarnpeopleafterdrinking.A.todrive B.nottodrive C.driving D.don'tdrive
—Whatfilmdoyoulikebest?—TheMartian.Itshowsalotofimaginationhasasenseofhumor.A.too;to B.neither;nor C.either;or D.notonly;butalso
Wouldyoupleasewritedownyournamehomeaandmobilephonenumber?
Everyoneofusshouldspeaktoourparentspandweshouldrespectthem.
usefulnewspaperitis!A.How B.What C.Whata D.Howa
Thesofaissolargethatithalfoftheroom.A.takesup B.picksup C.turnsup D.putsup
I’mtooscarytogoonthenewride.
Asweknowthesunrisesintheandsinksinthewest.
—Couldyoutellmeyoudiditsowell?—Withmyparents'help.A.who B.how C.when D.what
CCTVisshortforthecentertelevisionofChina.
Idon'twanttorest.Idon'tmeanaroomforrest.
—JimcouldIuseyourcomputer?—Yesofcourseyou.A.could B.can C.must D.should
Thelittleboyisafraidofplayingalone.Healwayswalksbhismother.
—Excusemecouldyoupleasetellmethewaytothe?Ihavehadtoomuchwater.—Goalongthestreetandyouwillfindone.A.bedroom B.livingroom C.classroom D.restroom
ThecatonthekitchenfloorwhenIcamein.A.waslying B.waslaying C.lied D.lay
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
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