题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017045326-81286.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017045326-71299.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017045326-61350.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017045326-78797.png)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017045326-29441.png)
解析
试题分析:如图,作出约束条件表示的可行域,
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017045326-40273.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017045326-12481.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017045326-61056.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017045326-61056.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017045327-48994.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017045327-91613.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017045326-29441.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017045327-37316.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017045320-94325.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017045320-64090.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017045320-64607.png)
﹙A﹚
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017045320-47849.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017045320-52562.png)
﹙C﹚
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017045321-92705.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017045321-90010.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017045310-52879.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017045310-78072.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017045310-92578.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017045311-17843.png)
则
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017045311-55383.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017045303-62698.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017045303-10553.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017045303-85793.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017045304-84357.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017045257-65251.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017045258-96365.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017045258-41427.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017045258-51034.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017045258-65897.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017045247-28121.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017045247-21544.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191017/20191017045247-60603.png)
最新试题
- 1句型转换。1. The bank is next to the supermarket.(对画线部分提问)
- 2对同样的一件事情,不同态度的人往往会产生不同的情绪表现。比如下雨有人喜、有人忧,这说明( )①情绪与个人的态度是紧密
- 3《湖心亭·看雪》“客此”言在此而意在彼,含蓄地表达了作者_____________________
- 4小明想把一个阻值为100Ω的用电器,接在电压为110V的电路上,若通过此用电器电流不得超过1A,则需给该有电器_____
- 5根据所学课文填空。①绿的枝条悬垂在我的案前了。它依旧_________,依旧_________,依旧_________,
- 6(1)|-2|-(-2.5)―|1-4|(2) (-+-+)×(-24)(3) -12-[1+(-12)÷6]2×(-)
- 7判断电灯亮度的主要依据是 [ ]A. 电功 B. 电功率 C. 额定电流D. 额定电压
- 8已知f(x)是偶函数,x∈R,若将f(x)的图像向右平移一个单位又得到一个奇函数,若f(2)=-1,则f(1)+f(2)
- 9一位欧洲著名学者指出:“我们已经很难从传统的观点来看欧洲是否算是统一。从形式上来看是没有,如果从实质内容来看,他们已经有
- 10After two years" research,we now have a ________ better unde
热门考点
- 1下列句子没有语病的一句是( )A.今年3月初召开的全国“两会”,高度关注民生问题,其中,提高个税征收点和调整税率差成
- 2下列各种少数民族的舞蹈和体育活动,属蒙古族的是( )A.那达慕大会B.泼水节C.火把节D.赛龙舟
- 3下列句子不属于病句的一项是( )2分 A.
- 4如图所示,开关S闭合后两灯都发光,电压表测出的电压有以下三种说法,其中正确的是( )A.灯L1两端的电压B.灯L2两端
- 5They have a quarrel and John stonned out.[ ]A. vi
- 6These kids are quick at learning. We had better have them __
- 7下列反应能在实验室制取二氧化碳的是( )A.大理石和稀硫酸反应B.大理石和稀盐酸反应C.木炭在氧气中燃烧D.蜡在氧气中
- 8青海省文物管理局公布的有关数据表明,国家对于藏传佛教古寺的保护越来越重视。近3年内,仅青海塔尔寺、瞿昙寺、隆务寺等藏传佛
- 9墨西哥、巴西、埃及、阿根廷等国家政体的共同特征有 ①议会是国家的立法机关
- 10把正在凝固的水放到0℃的房间里,水将______继续凝固.(填“能”或“不能”)