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已知a>b>0,则下列不等式不一定成立的是A.ab>b2B.a+c>b+cC.<D.ac>...
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已知a>b>0,则下列不等式不一定成立的是( )
A.ab>b
2B.a+c>b+c
C.
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kDSW0lSqimJFSnjOcBxh0GjQHxcEuIKJoZ7X7iuYgIjKORtQkxrkH9C3NxncSJfq0GIO7Yhth3cB
Nd6w8YYK8wXPvAPtDZC+sKIfnYPJzCOBxX4nZJra6lAm8CIVwdgD8kXm1TkuEQly5SAEpVmLy5Nl
36bf5MpJ9teKazLq4TTsTcgc5dlYg7RsWelOFbJ99fsF8j0AdKID/VGvdmEAAAAASUVORK5CYII=
)
<
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0JgGpIhfRUJRJDs+f+eYbPPQZrw9kBDVmNg0+rXHCkGMiNJdTcgfDSb/hBGvY9wOpWwafChXwtW8
B0bjZhoPVGgNrjyh9oCkBiVI5e/B78gNkqKya1ZPukuIpizp9/l9PgkYixs5A6UiB4NXe2E1bw/U
CpCDwCapvM+Hz5EDatOEKx1U8FdNkuTQwX6aACD7lpOX2RxvbvrtMgjtOL2yyQ9O64ocxLwAFKEC
aC0ujkYAAAAASUVORK5CYII=
)
D.ac>bc
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已知a>b>0,则下列不等式不一定成立的是( )
A.ab>b2
B.a+c>b+c
C.
<![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAwAAAAjCAYAAACgj+sEAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
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D.ac>bc
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已知a>b>0,则下列不等式不一定成立的是( )
A.ab>b2
B.a+c>b+c
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jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAADDSURBVDhP7ZTrDcMgDIQ9mXfyOl6GURjF5Xi0
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D.ac>bc
-
已知a>b>0,则下列不等式不一定成立的是( )
A.ab>b2
B.a+c>b+c
C.
<![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAwAAAAjCAYAAACgj+sEAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
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CpCDwCapvM+Hz5EDatOEKx1U8FdNkuTQwX6aACD7lpOX2RxvbvrtMgjtOL2yyQ9O64ocxLwAFKEC
aC0ujkYAAAAASUVORK5CYII=
)
D.ac>bc
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(2006•芜湖)已知a>b>0,则下列不等式不一定成立的是( )
A.ab>b2
B.a+c>b+c
C.
<![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAwAAAAjCAYAAACgj+sEAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAADDSURBVDhP7ZTrDcMgDIQ9mXfyOl6GURjF5Xi0
0JgGpIhfRUJRJDs+f+eYbPPQZrw9kBDVmNg0+rXHCkGMiNJdTcgfDSb/hBGvY9wOpWwafChXwtW8
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aC0ujkYAAAAASUVORK5CYII=
)
D.ac>bc
-
(2006•芜湖)已知a>b>0,则下列不等式不一定成立的是( )
A.ab>b2
B.a+c>b+c
C.
<![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAwAAAAjCAYAAACgj+sEAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAADDSURBVDhP7ZTrDcMgDIQ9mXfyOl6GURjF5Xi0
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aC0ujkYAAAAASUVORK5CYII=
)
D.ac>bc
-
(2006•芜湖)已知a>b>0,则下列不等式不一定成立的是( )
A.ab>b2
B.a+c>b+c
C.
<![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAwAAAAjCAYAAACgj+sEAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAADDSURBVDhP7ZTrDcMgDIQ9mXfyOl6GURjF5Xi0
0JgGpIhfRUJRJDs+f+eYbPPQZrw9kBDVmNg0+rXHCkGMiNJdTcgfDSb/hBGvY9wOpWwafChXwtW8
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CpCDwCapvM+Hz5EDatOEKx1U8FdNkuTQwX6aACD7lpOX2RxvbvrtMgjtOL2yyQ9O64ocxLwAFKEC
aC0ujkYAAAAASUVORK5CYII=
)
D.ac>bc
-
(2006•芜湖)已知a>b>0,则下列不等式不一定成立的是( )
A.ab>b2
B.a+c>b+c
C.
<![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAwAAAAjCAYAAACgj+sEAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
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)
D.ac>bc
-
(2006•芜湖)已知a>b>0,则下列不等式不一定成立的是( )
A.ab>b2
B.a+c>b+c
C.
<![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAwAAAAjCAYAAACgj+sEAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAADDSURBVDhP7ZTrDcMgDIQ9mXfyOl6GURjF5Xi0
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aC0ujkYAAAAASUVORK5CYII=
)
D.ac>bc
-
下列等式一定成立的是( )
A.(a+b)2=a2+b2
B.a2•a3=a6
C.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADkAAAAjCAYAAAAuVaJ4AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAF4SURBVGhD7ZhhkoMgDIVzMu7EdbgMR+Eo2cRV
lwB1dWnMNq0z/mhHgY88Hg8B3+CCN2DED+TLVbkkDBAwFTlyP5XMEQGAbk3IvRPqKGYjEWSMapAs
kw1skQxgaDVzC7YiZMkZ62VQUkAISfx3CyMqQnYALF3vkFzJl5JrjuxYD+6hwZBkTKrIerpJrjlG
6srqOoJcHXGp2IT9s0wnXp+bmZqBOOpxUBio5cUzIR843TOZjViH9LsFfij7wXI43e+JBwFLEVbP
a/BqNZYtoxuopWyPYh1b/1XCEzNp/cieXXcX/YeQ1x3+qJLKkUxrTR61y7jdKcQukumJuj9qOVyX
DWTBFK67q14NntMyYH0O/Ose+ZyxzLUiwoDcvpx8GZBxrvUVH5Dd0U4mNxeQ/Y7w7S1bzHQBiet6
/MkxHiHJskb5eYP2UcnGl30aTw3ZSXcQ6+Y2K+O31z2//b7kQ657EOi/ng8DunEtVLr3UclfpuYD
qaIdg0a/AIbkt4Vqy4b+AAAAAElFTkSuQmCC
)
D.
-
下列等式一定成立的是( )
A.(a+b)2=a2+b2
B.a2•a3=a6
C.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADkAAAAjCAYAAAAuVaJ4AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAF4SURBVGhD7ZhhkoMgDIVzMu7EdbgMR+Eo2cRV
lwB1dWnMNq0z/mhHgY88Hg8B3+CCN2DED+TLVbkkDBAwFTlyP5XMEQGAbk3IvRPqKGYjEWSMapAs
kw1skQxgaDVzC7YiZMkZ62VQUkAISfx3CyMqQnYALF3vkFzJl5JrjuxYD+6hwZBkTKrIerpJrjlG
6srqOoJcHXGp2IT9s0wnXp+bmZqBOOpxUBio5cUzIR843TOZjViH9LsFfij7wXI43e+JBwFLEVbP
a/BqNZYtoxuopWyPYh1b/1XCEzNp/cieXXcX/YeQ1x3+qJLKkUxrTR61y7jdKcQukumJuj9qOVyX
DWTBFK67q14NntMyYH0O/Ose+ZyxzLUiwoDcvpx8GZBxrvUVH5Dd0U4mNxeQ/Y7w7S1bzHQBiet6
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qaIdg0a/AIbkt4Vqy4b+AAAAAElFTkSuQmCC
)
D.