配套习题-求线性目标函数的最值 -【青果学院】

本课配套习题挑战模式1/3

返回课程

单选题

难度系数：

1.

在不等式组

表示的平面区域上运动，则

的取值范围是（　　）．

A: ［－2，－1］

B: ［－2，1］

C: ［－1，2］

D: ［1，2］

提示1：6ICD6JmRPGltZyB3aWR0aD02MSBoZWlnaHQ9MTggc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC8zNy8wRi9yQkFDSmxTMDBlaXlKMVdmQUFBQnhVN1NiSDQxMzcucG5nIj7vvIzmiorlroPlj5jlvaLkuLo8aW1nIHdpZHRoPTYxIGhlaWdodD0xOCBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzM3LzRBL3JCQUNKMVMwMGVqenlhaUJBQUFCelVBNmh4MDc3MS5wbmciPu+8jOi/meaYr+aWnOeOh+S4ujHkuJTpmo88aT56PC9pPuWPmOWMlueahOS4gOaXj+W5s+ihjOebtOe6vw==
提示2：PGltZyB3aWR0aD0yMiBoZWlnaHQ9MTQgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC82Qi80OC9yQkFDRTFTMDBlaWdJakxXQUFBQThmRkZjRHM0OTUucG5nIj7mmK/nm7Tnur/lnKg8aT55PC9pPui9tOS4iueahOaIqui3ne+8juW9k+ebtOe6v+a7oei2s+e6puadn+adoeS7tuS4lOe7j+i/h+eCue+8iDLvvIww77yJ5pe277yM55uu5qCH5Ye95pWwPGltZyB3aWR0aD02MSBoZWlnaHQ9MTggc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC8zNy8wRi9yQkFDSmxTMDBlaXlKMVdmQUFBQnhVN1NiSDQxMzcucG5nIj7lj5blvpfmnIDlpKflgLzkuLoy
答案：Qw==
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

本课配套习题挑战模式2/3

返回课程

单选题

难度系数：

2.设实数

满足

，则

的最大值是（）．

A:

B:

C: 1

D: 2

提示1：PGltZyB3aWR0aD05MCBoZWlnaHQ9NDIgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC82Qi80OC9yQkFDRTFTMDBmR3dhRFl5QUFBQ2pTSHhoVnMxMzQucG5nIj7ooajnpLrkuKTngrk8aW1nIHdpZHRoPTExMyBoZWlnaHQ9MjIgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC85RC83MS9yQkFDRkZTMDBmR2hIVnk0QUFBREh4dzdHR2M1MDUucG5nIj7noa7lrprnmoTnm7Tnur/nmoTmlpznjoc=
提示2：6KaB5rGCPGk+ejwvaT7nmoTmnIDlpKflgLzvvIzljbPmsYLlj6/ooYzln5/lhoXnmoTngrnkuI7ljp/ngrnov57nur/nmoTmlpznjofnmoTmnIDlpKflgLw=
答案：QQ==
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

本课配套习题挑战模式3/3

返回课程

单选题

难度系数：

3.已知

，则

的最小值为（）

A: 4

B:

C:

D: 6

提示1：5YWF5YiG55CG6Kej55uu5qCH5Ye95pWw55qE5Yeg5L2V5oSP5LmJ77yM5aaC5Lik54K56Ze055qE6Led56a777yI5oiW5bmz5pa577yJ44CB54K55Yiw55u057q/55qE6Led56a7562J
提示2：PGltZyB3aWR0aD0xMDYgaGVpZ2h0PTI1IHNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvMzcvNEEvckJBQ0oxUzAwZmp6WWdsY0FBQUN5NlI1NUowODgzLnBuZyI+6KGo56S65Y+v6KGM5Z+f5YaF5Lu75LiA54K577yIPGk+eDwvaT7vvIw8aT55PC9pPu+8ieWIsOWumueCuTxpPk08L2k+77yIMO+8jDXvvInnmoTot53nprvnmoTlubPmlrk=
答案：Qg==
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本课配套习题挑战模式1/3

本课配套习题挑战模式2/3

本课配套习题挑战模式3/3

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