中学生网络课堂本课配套习题挑战模式1/3
单选题
难度系数：
1.
已知
，则
的最大值是（ ）
| A: 1 |
| B: 2 |
| C: 3 |
| D: 4 |
一次做对，真牛！
+5奖励规则>
- 提示1：PHA+5YWI5YGa5Ye65Y+v6KGM5Z+f77yM5aaC5Zu+5omA56S677yaPGJyPjxpbWcgc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC9ERS9DNC9yQkFDRkZOYU1FYWctaE5uQUFBUW9vdEo1MG84OTkucG5nIiBkYXRhLWNrZS1zYXZlZC1zcmM9Imh0dHBzOi8vcDEucWluZ2d1by5jb20vRzEvTTAwL0RFL0M0L3JCQUNGRk5hTUVhZy1oTm5BQUFRb290SjUwbzg5OS5wbmciIGhlaWdodD0iMTkwIiB3aWR0aD0iMjU4Ij48YnI+5Zu+5Lit6buR6Imy55qE5Yy65Z+f5bCx5piv5Y+v6KGM5Z+f77yM5YyF5ous6L6555WM44CCPC9wPg==
- 提示2：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
- 提示3：PHA+5bmz6KGM56e75Yqo55u057q/77yM5om+5L2/euWPluacgOWAvOeahOeCueOAguS7o+WFpeaxguacgOWAvOOAgjwvcD4=
- 答案：Qg==
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
本课配套习题挑战模式2/3
单选题
难度系数：
2.已知实数
满足不等式组
，则
的最大值是（ ）
满足不等式组，则的最大值是（ ） A:  |
B:  |
C:  |
D:  |
一次做对，真牛！
+5奖励规则>
- 提示1：IOWFiOeUu+WHuuWPr+ihjOWfn++8jOWmguWbvuaJgOekuu+8mjxicj4NCjxpbWcgd2lkdGg9MjAzIGhlaWdodD0xNTYgc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC9ERS9DNC9yQkFDRkZOYU1FNlRmSGVaQUFBUU9kRXhPZkE1NzMucG5nIj48YnI+DQrkuI3nrYnlvI/ooajnpLrnmoTlubPpnaLljLrln5/lpoLlm77miYDnpLrkuLrlm5vovrnlvaI8aW1nIHdpZHRoPTQ4IGhlaWdodD0xOSBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzFBL0RBL3JCQUNFMU5hTUVfQnBPNGxBQUFCMDlDdlptWTM0Ni5wbmciPuWPiuWFtuWGhemDqA==
- 提示2：IOWvueebruagh+WHveaVsOWPmOW9ou+8jOWPmOS4ujxpbWcgd2lkdGg9NzMgaGVpZ2h0PTIxIHNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvMUEvREEvckJBQ0UxTmFNRV96dUJRR0FBQUIzd1FCN1NRODE0LnBuZyI+77yMeuaYr+ebtOe6v+WcqHnovbTnmoTmiKrot50=
- 提示3：IOW5s+ihjOenu+WKqOebtOe6v++8jOaJvuWHuuS9v3rlj5bmnIDlgLznmoTngrnjgII=
- 答案：QQ==
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
本课配套习题挑战模式3/3
单选题
难度系数：
3.已设变量
满足约束条件
，则目标函数
的最大值为()
满足约束条件，则目标函数的最大值为() | A: 11 |
| B: 10 |
| C: 9 |
| D: 8 |
一次做对，真牛！
+5奖励规则>
- 提示1：IOWFiOagueaNrue6puadn+adoeS7tuS9nOWHuuWPr+ihjOWfn++8jOWmguWbvuaJgOekuu+8mjxicj4NCjxpbWcgd2lkdGg9MjM5IGhlaWdodD0xMzcgc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC8xQS9EQS9yQkFDRTFOYU1GNmpKcllJQUFBU09BMDRMUmcyODEucG5nIj48YnI+DQrkuI3nrYnlvI/ooajnpLrnmoTlubPpnaLljLrln5/lpoLlm77miYDnpLrkuLrkuInop5LlvaI8aW1nIHdpZHRoPTM3IGhlaWdodD0xOSBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwL0RFL0M0L3JCQUNGRk5hTUY3aGo0LTRBQUFCb1FSMG56azM4My5wbmciPuWPiuWFtuWGhemDqOOAgg==
- 提示2：IOWvueebruagh+WHveaVsOWPmOW9ou+8jOWPmOW9ouS4uu+8mjxpbWcgd2lkdGg9MTIyIGhlaWdodD00MiBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwL0RFL0M0L3JCQUNGRk5hTUY3Q0FGRzBBQUFDWUdfam9hQTcwNy5wbmciPi7nm7Tnur/lnKh56L2055qE5oiq6Led5pivPGltZyB3aWR0aD00MyBoZWlnaHQ9NDIgc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC8xQS9EQS9yQkFDRTFOYU1GN1N4eXVKQUFBQmcweUdqNms5ODcucG5nIj7vvIzmsYLlh7rov5nkuKrmiKrot53nmoTmnIDlgLzlsLHlj6/ku6XkuobjgII=
- 提示3：IOW5s+ihjOenu+WKqOebtOe6v++8jOaJvuWHuuS9vzxpbWcgd2lkdGg9NDMgaGVpZ2h0PTQyIHNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvMUEvREEvckJBQ0UxTmFNRjdTeHl1SkFBQUJnMHlHajZrOTg3LnBuZyI+5Y+W5pyA5YC855qE54K544CC
- 答案：Qg==
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
