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已知实数x,y满足,则目标函数z=2x-y的最大值为A.-3B.C.5D.6
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已知实数x,y满足
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADEAAAA/CAYAAABJliBsAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAgY0hSTQAAeiYAAICEAAD6AAAAgOgAAHUwAADqYAAAOpgAABdwnLpRPAAAAwVJREFU
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WLJbORCPn3mbC3f2zL6g7MgWsl2HLKzoOtjOaAgTmJ1ZO9Mr5ZMMXHxPsct28j/Tl/HF+Y0N198O
DbF13wKdOLXqg9Fv/j3ZAYYCWjmdZF8JsPCaGqVBiKEXB4Jxqol2JSab8MCz0kkoUhfgtDrBc0KV
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F1hk90iSCIRWADsPQNslWE5ldk8UQjJqqwYFAtkuUYgCuyemhC45LAhouwQhyuweUAkFAtv6KNsF
gMixe1R84MRWzWL3Cbn0ltouagHA2z1mYbLMap9h3fWO3cruaQthFoG2dk9bCOBxoejJwOrcFqJW
lMB1BkSnRIPDDCXAFHVqMJTolGhwmKEEmKJODYYS1RMdsWViY1VQotLDXcFzVgWIfcuiT9YUvS0N
b3yqKAHaLnoUs4FxD7LgSq8xxBaE13YJHcra328LZX61Sj5Lx3kp3wMidsrGSrWydV5Vif3Qif+U
zf/JgthxoXhZdVHCZ7vo4HMyf0TqCJFvu0DTuwtE+ikbKGysLYNeYrUve73dg31a2S5oWE/D08uI
kIH2NqdsNKQPJG/JLMkvvm/wtVCq5Y8fsn7LP7EWG7nrYYyGAAAAAElFTkSuQmCC
)
,则目标函数z=2x-y的最大值为( )
A.-3
B.
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAjCAYAAACpZEt+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAgY0hSTQAAeiYAAICEAAD6AAAAgOgAAHUwAADqYAAAOpgAABdwnLpRPAAAAKVJREFU
OE/dU9ENhTAIxJVZh02YgylYAqGNlVptNO/FD0mapskB1+NYzANmEYBZwH2AsiGgsfYptYJQ8PBz
Bagoo48DikihQz0ku1gPpL4Yyh8qbMTO7mKm+374jWQzjAuFbNlUYKFiky5M46AkJahIl6GMXZXx
F9EuVziSF5oNq+NTU1MLNUZyb5/tRVmNcSdahWCeTRKLtL0hSI2D2lu9NqyJKVYckNqVrS3EAwAA
AABJRU5ErkJggg==
)
C.5
D.6
相关试题
-
已知实数x,y满足
,则目标函数z=2x-y的最大值为( )
A.-3
B.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAjCAYAAACpZEt+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAgY0hSTQAAeiYAAICEAAD6AAAAgOgAAHUwAADqYAAAOpgAABdwnLpRPAAAAKVJREFU
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-
已知实数x,y满足
,则目标函数z=2x-y的最大值为( )
A.-3
B.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAjCAYAAACpZEt+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAgY0hSTQAAeiYAAICEAAD6AAAAgOgAAHUwAADqYAAAOpgAABdwnLpRPAAAAKVJREFU
OE/dU9ENhTAIxJVZh02YgylYAqGNlVptNO/FD0mapskB1+NYzANmEYBZwH2AsiGgsfYptYJQ8PBz
Bagoo48DikihQz0ku1gPpL4Yyh8qbMTO7mKm+374jWQzjAuFbNlUYKFiky5M46AkJahIl6GMXZXx
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)
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已知实数x,y满足
,则目标函数z=2x-y的最大值为( )
A.-3
B.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAjCAYAAACpZEt+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAgY0hSTQAAeiYAAICEAAD6AAAAgOgAAHUwAADqYAAAOpgAABdwnLpRPAAAAKVJREFU
OE/dU9ENhTAIxJVZh02YgylYAqGNlVptNO/FD0mapskB1+NYzANmEYBZwH2AsiGgsfYptYJQ8PBz
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F9EuVziSF5oNq+NTU1MLNUZyb5/tRVmNcSdahWCeTRKLtL0hSI2D2lu9NqyJKVYckNqVrS3EAwAA
AABJRU5ErkJggg==
)
C.5
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已知实数x,y满足
,则目标函数z=2x-y的最大值为( )
A.-3
B.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAjCAYAAACpZEt+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAACfSURBVDhP3VNBDsAgCOvL+BPf4TM8hacwmZnD
uc2L2WEmxphgi22BTxYWFpg4gVysx6wUyg6g7KeCWuX884JdpNChbtZTrJVePNg6pzgauzsDdI6w
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)
C.5
D.6
-
已知实数x,y满足
,则目标函数z=2x-y的最大值为( )
A.-3
B.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAjCAYAAACpZEt+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAgY0hSTQAAeiYAAICEAAD6AAAAgOgAAHUwAADqYAAAOpgAABdwnLpRPAAAAKVJREFU
OE/dU9ENhTAIxJVZh02YgylYAqGNlVptNO/FD0mapskB1+NYzANmEYBZwH2AsiGgsfYptYJQ8PBz
Bagoo48DikihQz0ku1gPpL4Yyh8qbMTO7mKm+374jWQzjAuFbNlUYKFiky5M46AkJahIl6GMXZXx
F9EuVziSF5oNq+NTU1MLNUZyb5/tRVmNcSdahWCeTRKLtL0hSI2D2lu9NqyJKVYckNqVrS3EAwAA
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)
C.5
D.6
-
已知实数x,y满足
,则目标函数z=2x-y的最大值为( )
A.-3
B.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAjCAYAAACpZEt+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAgY0hSTQAAeiYAAICEAAD6AAAAgOgAAHUwAADqYAAAOpgAABdwnLpRPAAAAKVJREFU
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AABJRU5ErkJggg==
)
C.5
D.6
-
已知实数x,y满足条件
,则目标函数z=2x-y的最大值是________.
-
已知实数x,y满足条件
,则目标函数z=2x-y的最大值是________.
-
已知实数x,y满足条件
,则目标函数z=2x-y( )
A.有最小值0,有最大值6
B.有最小值-2,有最大值3
C.有最小值3,有最大值6
D.有最小值-2,有最大值6
-
已知实数x,y满足条件
,则目标函数z=2x-y( )
A.有最小值0,有最大值6
B.有最小值-2,有最大值3
C.有最小值3,有最大值6
D.有最小值-2,有最大值6