首页
已知正数x,y满足x+2y=1,则的最小值为A.6B.5C.D.
试题详情
已知正数x,y满足x+2y=1,则
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAB8AAAAjCAYAAABsFtHvAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAgY0hSTQAAeiYAAICEAAD6AAAAgOgAAHUwAADqYAAAOpgAABdwnLpRPAAAAT1JREFU
WEftVwEOgyAMdF/ud/gJ7+AVfKJrQVAGKEgXYpTEbEtmr9ceR/kgrWXWYvBZa5kF7CqegVuNsABq
K5DWSawU3CjuPz0C4A2xCmU3qCTAXeGOY73gO3W9ZRfYavcRnDMF3uf+UWaAfUOs6/ZKJjKUXNFe
W8k+CtyoTQ9BF9unIm33LR4josCOvmdhC2XvjfUKrq9Z7rScudX6083euN7z+4OHWQs0+pmRz3Pa
fvF3O8XoA/t3OX4l1lp2ixp4aGTgfrNI0itMrEYHYimR2HOrgcxmELg4NBrUlTl8ExxnfKHUeVN8
28KJZ4l1zXYjuCHmMpcFbuEKToTUwe3DgXPJOVMWjMt4yEA8OBBjdVJJd7BAyC4of3BK8Ko/189f
TKam7l99iIJbcorY7wZ7EAXvvWCKgjeQTf7yBeE1gQ5q4rqpAAAAAElFTkSuQmCC
)
的最小值为( )
A.6
B.5
C.
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACcAAAASCAYAAADYFMcrAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAgY0hSTQAAeiYAAICEAAD6AAAAgOgAAHUwAADqYAAAOpgAABdwnLpRPAAAAT9JREFU
SEvNlW0NxCAMhsHR/MwFIjCBBwSgg+Q8YKJHx0b4LLAfZCSXWzYoz/u2FA5+sM2Dcz63I8LtHp5s
asu5WVOh5ietwTkDwqvBRUzZ+V3SmVaF9fgTBhwRZQHOgorB/LMP3uXzAM1vKC5+CDEokRVcRxgD
5zKVVq3DOWuzGM4I0r0MjhCW1xwqoNLac65M4SBOCkcJi3DoWKvm4vunnrJ/Ba0KJd0PratfkYmw
fNZ9MITplPOMc1ma2gwUXCqskkDWyxDOgRFtN1PMLlwhrPaXqpcBnFUCeqaP4WphBRxOWD+tuDE6
np2lR4g+7/53Rr6Wcy1hDNIeQ/U4oqm2D01Ir9b6WikPBof8Xc8lXE/YvuvrcjC4l8JRwvbBeajT
ZwbdW7i+3l2lb1b95AHskN+EQ0Ho3iede9yehfsDL9xnWKqKNdsAAAAASUVORK5CYII=
)
D.
相关试题
-
已知正数x、y满足
,则x+2y的最小值是( )
A.18
B.16
C.8
D.10
-
已知正数x,y满足x+2y=1,则
的最小值为( )
A.6
B.5
C.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACcAAAASCAYAAADYFMcrAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAgY0hSTQAAeiYAAICEAAD6AAAAgOgAAHUwAADqYAAAOpgAABdwnLpRPAAAAT9JREFU
SEvNlW0NxCAMhsHR/MwFIjCBBwSgg+Q8YKJHx0b4LLAfZCSXWzYoz/u2FA5+sM2Dcz63I8LtHp5s
asu5WVOh5ietwTkDwqvBRUzZ+V3SmVaF9fgTBhwRZQHOgorB/LMP3uXzAM1vKC5+CDEokRVcRxgD
5zKVVq3DOWuzGM4I0r0MjhCW1xwqoNLac65M4SBOCkcJi3DoWKvm4vunnrJ/Ba0KJd0PratfkYmw
fNZ9MITplPOMc1ma2gwUXCqskkDWyxDOgRFtN1PMLlwhrPaXqpcBnFUCeqaP4WphBRxOWD+tuDE6
np2lR4g+7/53Rr6Wcy1hDNIeQ/U4oqm2D01Ir9b6WikPBof8Xc8lXE/YvuvrcjC4l8JRwvbBeajT
ZwbdW7i+3l2lb1b95AHskN+EQ0Ho3iede9yehfsDL9xnWKqKNdsAAAAASUVORK5CYII=
)
D.
-
已知正数x、y,满足
+
=1,则x+2y的最小值________.
-
已知正数x,y满足x+2y=1,则
的最小值为________.
-
已知正数x、y满足x+2y=1,求
+
的最小值.
-
已知正数x,y,z满足3x+2y-z=0,则
的最小值为________.
-
已知正数x,y满足(1+x)(1+2y)=2,则4xy+
的最小值是________.
-
已知正数x,y满足(1+x)(1+2y)=2,则4xy+
的最小值是________.
-
已知正数x,y满足(1+x)(1+2y)=2,则4xy+
的最小值是________.
-
已知正数x,y满足(1+x)(1+2y)=2,则4xy+
的最小值是________.