首页
试卷库
试题库
当前位置:
X题卡
>
所有题目
>
题目详情
若等式=成立,试化简|x-4|++|x-2|.
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
若等式成立试化简|x-2|+|x+3|.
若方程a+2x=2的解为x=2想一想不等式a+4x>-3的解集是多少试判断-2-10123这6个数
已知不等式2x-1>mx2-1.若对于m∈[-22]不等式恒成立求实数x的取值范围.
若关于x的不等式4x-2x+1-a≥0在[12]上恒成立则实数a的取值范围为________.
已知fx=x|x﹣a|a∈R..1若a=1解不等式fx<2x2若对任意的x∈[14]都有fx<4+x
设a是实数.1若函数fx为奇函数求a的值2试证明对于任意afx在R.上为单调函数3若函数fx为奇函数
设函数fx=log44x+1+axa∈R.1若fx是定义在R上的偶函数求a的值2若关于x的不等式fx
若则下列不等式成立的是
2x-1>0
2x-1≤0
2x-1≥0
2x-1<0
已知fx=|x﹣a|+|x﹣1|Ⅰ当a=2求不等式fx<4的解集Ⅱ若对任意的xfx≥2恒成立求a的取
.设函数fx=|x﹣4|gx=|2x+1|.1解不等式fx<gx2若2fx+gx>ax对任意的实数x
已知函数fx=|2x+1|+|2x-3|若关于x的不等式fx>a恒成立则实数a的取值范围
a<4
a≥4
a≤4
a>4
若x∈-∞-1]时不等式m2-m·4x-2x
(-2,1)
(-4,3) (
)(-1,2)
(-3,4)
若等式成立试化简|x-4|++|x-2|.
已知函数fx=|x﹣a|﹣|x﹣4|a∈R..Ⅰ当a=﹣1时求不等式fx≥4的解集Ⅱ若∀x∈R.|f
若不等式a-2x2+2a-2x-4
已知函数fx=2x2﹣ax+a2﹣4gx=x2﹣x+a2﹣8a∈R..1当a=1时解不等式fx<02
已知函数fx=ax4lnx+bx4﹣cx>0在x=1处取得极值﹣3﹣c其中abc为常数.1试确定ab
已知函数fx=21求证fx≤5并说明等号成立的条件2若关于x的不等式fx≤|m-2|恒成立求实数m的
选修4-5不等式选讲已知不等式x2+px+1>2x+p.1如果不等式当|p|≤2时恒成立求x的范围2
已知函数fx=2x2+bx+c不等式fx<0的解集是05若对于任意x∈[24]不等式fx+t≤2恒成
热门试题
更多
Ifyouhaveanyproblemaboutourproductyoucansendmeaorcallmeup.
Thebhoursofthatsupermarketisfrom8:30a.m.to9:30p.m.
—fineweatheritShallgoforapicnic?—Ican'tagreemore.A.Whata B.What C.How D.Howa
Sallyyoursunglasses.Thesunissobright.A.puton B.putup C.putdown D.putaway
MichaelsentaptoWangLinafterhevisitedMountTai.
WhenIpassedtheteachers'officeourmathteacherwascorrectingourhomework.
Weallthebravemanbecausehesavedtheboyfromthesea.A.agreed B.enjoyed C.admired D.believed
Parentsoftenchildrennottoplayfootballonthestreet.
Jimmyisbusyourdessertsandfruitshisfriends.A.lay B.laid C.laying D.he
ThetruemeaningofChristmasissharingandgivingloveandjoytopeopleus.
Whenhewentbuthefoundhisbikesteal.
Theteachertoldasthelightfasterthanthesound.A.travel B.travels C.traveled D.istraveling
Heworkedhardandasthegeneralmanagerofthecompany.A.gotup B.endedup C.putup D.setup
Paulpromisedfinishhisworktwodayslater.
—Canyoutellmetodoit?—OK.You'dbetterputtwoeggsandsomewaterintotheflourfirst.A.what B.which C.how D.why
WhenFrankfoundthathiscatwasdhecried.
WilliamShakespearefor400yearsbuthisworksstillhavegreatinfluencetoday.A.died B.wasdying C.hasdied D.hasbeendead
Couldyoutellmehowtogettothepostoffice?Iwanttobuysomes.
Youshouldlearntothinkwhilereading.Usuallybehindthelinesthewriter'struemeaning.A.lie B.lies C.have D.has
Chinesepeopleoftenshowtheirhospitality殷勤招待bytreattheirfriends.
Thereisalwaysabigsaleinthesupermarket.Whenthedooropenspeoplerintoit.
AtHalloweenchildrenwillplayatrickontheirneighborsiftheydon'tgivethemat.
Withouthardworkitwouldbeimpossibleforyougetgoodgradesinexams.
FrogisafamouswrittenbyMoYan.
Theterribleweathercausedthedieofallmyplants.
Manypeopleliketodrinkwine葡萄酒whichismadefromg.
—Thanksamillionforyourhelp!—.A.Goodidea B.Whatapity C.Withpleasure D.Noproblem.
Oneofthekeystosuccessfulbusyiscarefulplanning.
—IamgoingbacktoAmericaforThanksgivingDay.—.Andwewillmissyou.A.Enjoyyourself B.You'rewelcome C.That’sinteresting D.Thesametoyou
DaddyandMummyyouarebackfromthesupermarket.Canyoutellme?A.howyougothere B.howmanypiecesofbreadyoubuyC.howmuchmilkdidyoubuy D.ifyouboughtmyfavoriteicecream
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
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
教案备课库