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:2-b+-3(a>0,b>0)
查看本题答案
包含此试题的试卷
教案备课库《八(2)年级数学作业21.3 二次根式的加减》真题及答案
点击查看
你可能感兴趣的试题
计算|-3|-2016+sin30°0---1.
计算-32-2-3+30
计算23-π0.
计算﹣2×32﹣﹣2×32的值是
0
﹣54
﹣72
﹣18
计算|﹣2|﹣+23﹣1﹣π0.
计算1+3+5+......+99的奇数和 settalkoff x=0 y=0 dowhi
计算﹣12+20﹣|﹣3|的值等于
﹣1
0
1
5
计算2-33+2=______________.
计算
计算二重积分其中D=xy|0≤x≤20≤y≤2.
计算其中D={xy〡0≤x≤20≤y≤2}
若a是有理数则计算正确的是
3a-a=3
a-(-a)=0
a+(-a)=2a
-a-a=-2a
计算0﹣32+|﹣2|﹣﹣4
如图所示是计算函数y=的值的程序框图则在①②③处应分别填入的是
y=-x,y=0,y=x
2
y=-x,y=x
2
,y=0
y=0,y=x
2
,y=-x
y=0,y=-x,y=x
2
计算﹣22+|5﹣8|+27÷﹣3×.
下列计算正确的是
-2+2=0
-1-1=0
3÷
=1
3
2
=6
包房式硬卧票价分别按硬卧中下铺另加计算
0. 1
0. 2
0. 3
0. 4
跨境车票退票费核收标准在票面开车时间前15天及以上的按票面票价 的计算
0. 05
0. 15
0. 2
0. 3
跨境车票退票费核收标准在票面开车时间前48小时至第14天的按票面 票价的计算
0. 05
0. 15
0. 2
0. 3
下列计算正确的是
﹣(﹣1)
2
+(﹣1)=0
﹣2
2
+|﹣3|=7
﹣(﹣2)
3
=8
热门试题
更多
2分Ihaveneverlearnedtoflykites.改为一般疑问句you.learnedtoflykites?
1分Severallong﹣awaitedmovieswillfinallyinthetheatresthismontharrival
1分﹣Sharingproblemsmakesitpossiblebetterwithparents.﹣YesIagreewithyou.A.communicates B.communicateC.tocommunicate D.communicating
1分OurEnglishteacherlooksyoungerwithhernewhairstyledon'tyouthink?A.much B.so C.very D.too
1分﹣ItriedtopassthedrivingtestbutIfailed.﹣.Goodlucktoyounexttime.A.That'sfun B.It'sgreatC.Gladtohearthat D.That'sapity
1分Couldyoudomefavour﹣wouldyoufeedmydogthisweekend?A.a B.an C.the D./
1分Wedon'tgetmanycustomersonMondays﹣Saturdayisourday.A.busy B.busier C.busiest D.thebusiest
2分Shewaslateforthemeetingbecausehercarstoppedworkingintheroad.保持句意基本不变Shewaslateforthemeetingbecausehercarintheroad.
1分Thegovernmentsshouldtheuseofnewtypesofenergytomakeagreenerworld.A.pushin B.pushfor C.putout D.putup
1分Hehadanawfulfeelingthateveryonewaslaughingat.he
1分wechangethewaywetravelwewillhaveseriousenvironmentalproblems.A.Although B.Unless C.Because D.Until
1分Billexercisestwiceaweek.就划线词提问doesBillexercise?
1分advicehehasofferedus!Weshouldn'tfollowhim.A.Whatuseful B.WhatuselessC.Whatauseless D.Howuseful
1分最强大脑节目中选手们的超强记忆令我们羡慕不已.WethegoodofthecompetitorsinSuperBrain.
2分MysistercansingbetterthanIdo.保持句意基本不变Ican'tsingsomysisterdoes.
1分Theliftwasstuckonthefloorfive
1分有点晚了我必须走了.It'slate.Imustgonow.
1分Itwassofrightening.Icouldfeelyouwithfear.A.shaking B.toshake C.shaken D.toshaking
1分﹣Let'sgooutfordinnertonight.﹣.A.Fridaywillbefineformetoo.B.Yesthefoodwasverygood.C.SorrybutIcannotmakeittoday.D.Idon'tIpreferfootball.
1分﹣Ifwewanttotellpeopletosaveeverydropofwaterwhichsignshouldwechoose?A. B. C. D.
1分Theflowersarearrangedinaclassicbasketbeautiful
2分wasspeaksoangryhemyfathercouldhardlythat连词成句
1分LastweekendImetaforeignerinthestreetandshowedhimthewayEnglish.A.with B.on C.in D.by
1分InmyjobIwearauniform.Idon'tmindbecauseit'squitesmart.A.haveto B.oughtto C.can D.may
1分Theparkwasfullofpeoplewhowereenjoyinginthesunshine.A.they B.them C.their D.themselves
1分Itwaseighto'clockwhenthemovieactorsshowedupinthetheater.改写句子句意不变Themovieactorsdidn'tinthetheatereighto'clock.
1分这是个性格外向的女孩不管去哪都和在自家一样.Theoutgoinggirlalwaysherselfathomewherevershegoes.
1分一ThereisachessmatchbetweenaKoreanplayerandAlphaGo.一It'sveryamazing.Playingchessisusuallyone﹣to﹣onegame.A./;a B.the;a C./;an D.an;an
1分﹣Doyouknowtoourschool?﹣Nextterm.A.WhentheforeignteacherscameB.WhendidtheforeignteacherscomeC.WhentheforeignteacherswillcomeD.Whenwilltheforeignteacherscome
1分Whichofthefollowingwordsispronouncedas/fens/?A.fans B.fence C.face D.fax
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
教案备课库