首页
试卷库
试题库
当前位置:
X题卡
>
所有题目
>
题目详情
P(x,y)满足,则x2+y2的最小值为 .
查看本题答案
包含此试题的试卷
高三下学期数学《2018年河南省洛阳市尖子生高考数学二模试卷(文科)》真题及答案
点击查看
你可能感兴趣的试题
正数xy满足x+2y=2则的最小值为.
已知正实数xy满足xy+2x+3y=42则xy+5x+4y的最小值为.
已知实数xy满足x-12+y2=4求x-2y的最小值与最大值
已知实数xy满足x2+y2-4x+6y+12=0则|2x-y|的最小值是________.
若实数xy满足x+y-4≥0则z=x2+y2+6x-2y+10的最小值为.
已知实数xy满足x-22+y+12=1则2x-y的最大值为________最小值为________.
若实数xy满足x2+y2+8x-6y+16=0求x+y的最小值.
已知实数xy满足x2+y2-4x+1=0.则x-y的最大值和最小值分别是________和_____
若正数xy满足x+4y﹣xy=0则x+2y的最小值为
若xy满足x+1≤y≤2x则2y–x的最小值是__________.
满足约束条件|x|+2|y|≤2的目标函数z=y-x的最小值是________.
正实数xy满足xy+x+2y=6则xy的最大值为x+y的最小值为.
实数xy满足x2+y2+xy=1则x+y的最小值为.
若正实数xy满足2x+y+6=xy则xy的最小值是________.
已知实数xy满足x-22+y+12=1则2x-y的最大值与最小值的和为.
若实数xyz满足x+2y+3z=aa为常数求x2+y2+z2的最小值.
已知实数xy满足则当2x﹣y取得最小值时x2+y2的值为__________.
实数xy满足如果目标函数z=x—y的最小值为-2则实数m的值为______.
已知实数xyz满足x+y+z=2求2x2+3y2+z2的最小值.
已知实数xy满足方程x2+y2-4x+1=0.1求的最大值和最小值2求y-x的最大值和最小值3求x2
热门试题
更多
Heallhismoneythebike. A.paysfor B.spendson C.spendsbuying D.Alloftheabove
Doyouhavefunplaycomputergames?
Therearesomeorangetreesbytheriver.变为一般疑问句 Aretheretreesbytheriver?
Look!Sandyisablackcoattoday. A.puttingon B.wearing C.in D.BandC
Thereisn'tapayphoneinthen.Youcangotoaskthepoliceman.
Goathestreetandyouwillfindmynewschool.
It'srelaxedtospendweekendslikethis.
IhavesomeproblemsstudyEnglish.
Canyoutellmetogettothebank? A.where B.what C.how D.why
TheshopisGreenStreet. A.across B.between C.next D.on
Sometimestheylookmyfriendsandme.
It's6:00p.m.Alice'sfamilymakeasnowman
Ioftenbuyschoolthingsonmywayhome. A.on B.to C.for D./
Thereisazooinmyneighbor.
—Excuseme.Arethereanybanksnearhere?—No.ButyoucanfindoneinYangfangRoad. A.thereisn't B.itisn't C.therearen't D.thereis
TherearetoomanytheCentralParkonNationalDay. A.visitertovisit B.visitorvisiting C.visiterstovisiting D.visitorsvisiting
It'scoldinwinterinthenorthofChina.同义句 It'scoldinwinterintheofChina.
WhenIreadbookstimegoesquick.
It'saniceday? A.isit B.isn'tit C.doesit D.doesn'tit
Wesometimeswatchtheneighbors'catsclimbthetree.
Shecomesbackgetherumbrellaback.
Thecleaninthemountainsmakesmanypeoplegotheretobreath呼吸.
Doyouhaveany?problem
Pleasetellyourfriendnow. A.whatdoyoudo B.whatareyoudoing C.whatyouaredoing D.whatyoudoing
Doyouhaveanyquestions?Thenyoucangototheteachers'toaskforhelp.
Thebestthingsinlifearefsoweshouldtrytovalue珍惜them.
Ican'tseetheblackboardbecauseatallboysitsme. A.inthefrontof B.across C.infrontof D.nextto
totherightonFifthAvenuewhenyouseethepolicestation.turn
Therebesomemeatandalotofapplesinthefridge.
Ithinkalibraryisagoodplacestudy.
热门题库
更多
高三下学期数学
高三上学期数学
高一下学期英语
教案备课库
高一上学期生物
高一下学期生物
高二上学期数学
高二上学期物理
高二上学期英语
高二上学期生物
高二下学期数学
高二上学期化学
高二下学期物理
高三下学期物理
高三上学期物理
高三上学期生物