58赌博

360彩票导航走势图3d

58赌博haojiaoyuyunpingtai mingxiaojingbianjuan di1ye(gong4ye) haojiaoyuyunpingtai mingxiaojingbianjuan di2ye(gong4ye)

58赌博2019jiehunanshenghengyangshidibazhongxue gaosandisanciyuekaoshuxue(wen)shiti

shuxue

zhuyishixiang:

58赌博1.datiqian,xianjiangzijidexingming、zhunkaozhenghaotianxiezaishitijuanhedatikashang,bingjiangzhunkaozhenghaotiaoxingmazhantiezaidatikashangdezhidingweizhi。

2.xuanzetidezuoda:meixiaotixuanchudaanhou,yong2b qianbibadatikashangduiyingtimudedaanbiaohaotuhei,xiezaishitijuan、caogaozhihedatikashangdefeidatiquyujunwuxiao。

3.feixuanzetidezuoda:yongqianzibizhijiedazaidatikashangduiyingdedatiquyunei。xiezaishitijuan、caogaozhihedatikashangdefeidatiquyujunwuxiao。

4.kaoshijieshuhou,qingjiangbenshitijuanhedatikayibingshangjiao。

yi、danxuanti

58赌博1.yizhijihem ={x|(x ?1)(x ?4)≤0},n ={0,1,2,3},zejihem ∩n zhongyuansudegeshuwei a . 1 b . 2 c . 3 d . 4

2.yizhifushuz

【100所名校】2019届湖南省衡阳市第八中学高三第三次月考数学(文)试题(解析版)

【100所名校】2019届湖南省衡阳市第八中学高三第三次月考数学(文)试题(解析版)

【100所名校】2019届湖南省衡阳市第八中学高三第三次月考数学(文)试题(解析版)

【100所名校】2019届湖南省衡阳市第八中学高三第三次月考数学(文)试题(解析版)

=i

58赌博i?1(i weixushudanwei),zefushuz zaifupingmianneiduiyingdedianweiyu a . diyixiangxian b . dierxiangxian c . disanxiangxian d . disixiangxian 3.yizhishuangquxianc:

x 2a

2?

y 216

=1(a >0)deyigejiaodianwei(5,0),zeshuangquxianc dejianjinxianfangchengwei

a . 4x ±3y =0

b . 16x ±9y =0

58赌博c . 4x ±√41y =0

58赌博d . 3x ±4y =0

4.she2,0

()2,0

x x f x a x x ?<=?

+≥?,ruo[](1)2,f f -=zea = a 、2 b 、1 c 、-2 d 、-1

58赌博5.《jiuzhangsuanshu》shiwoguogudaideshuxuemingzhu,shuzhongyouruxiawenti:“jinyouwurenfenwuqian,lingshangerrensuodeyuxiasanrendeng,wengedejihe.”qiyisiwei“yizhijia、yi、bing、ding、wuwurenfen5qian,jia、yiliangrensuodeyubing、ding、wusanrensuodexiangtong,qiejia、yi、bing、ding、wusuodeyicichengdengchashulie,wenwurengededuoshaoqian?”(“qian”shigudaideyizhongzhongliangdanwei).zheigewentizhong,jiasuodewei

a . 5

4qian b . 4

3qian c . 3

2qian d . 5

3qian

58赌博6.zaisanlengzhuip ?abc zhong,pa ⊥dimianabc ,ac ⊥bc ,pa =ac =bc ,zeab yumianpac suochengjiaowei

a . 30°

b . 45°

c . 60°

d . 90°

7.yizhizaipingmianzhijiaozuobiaoxixoy shangdequyud youbudengshizu12

{2 2x y x y

≤≤≤≤jiding.mubiaohanshu

25z x y =+-dezuidazhiwei

a . 1

b . 0

c . 1-

d . 5-

8.yizhizhixiany =kx +3heyuanx +2y 2?6x ?4y +5=0xiangjiaoyum,n liangdian,ruo|mn |=2√3,zek dezhiwei

a . 2huo1

2

b . ?2huo?1

2

c . ?2huo1

2

d . 2huo?1

2

9.rutu,zhengfangxingabcd zhong, e weidc dezhongdian,ruoae ab ac λμ=+u u u r u u u r u u u r

,zeλμ+dezhiwei

a .

12 b . 1

2

- C . 1 D . 1- 10.设等差数列{a n }的前n 项和为S n ,已知S 13>0,S 14<0,若a k ?a k+1<0,则k = A . 6 B . 7 C . 13 D . 14

11.rutu,m (x m ,y m ),n (x n ,y n )fenbieshihanshuf (x )=asin (ωx +φ)(a >0,ω>0)detuxiangyuliangtiaozhixianl 1:y =m (a ≥m ≥0),l 2:y =?m delianggejiaodian,jis (m )=|x m ?x n |,zes (m )detuxiangdazhishi

ci

juanzhi

zhuang

ding

bu

58赌博mifeng banji xingming zhunkaozhenghao kaochanghao zuoweihao

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