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若a>b>0,则下列不等式不一定成立的是A.ac>bcB.a+c>b+cC.D.ab>b2
试题详情
若a>b>0,则下列不等式不一定成立的是( )
A.ac>bc
B.a+c>b+c
C.
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACgAAAAjCAYAAADmOUiuAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAFlSURBVFhH7ZcLsoMgDEWzMvbEdtiMS2EpeQTE
PhFMUkHsjE6dsS2Yw70JH8CHX/BwPvxBQO/QgEHnb9BWEGuv4GIRAMJ9A6AwVsXiBe0dgNEgPtYL
eJ7Jr4JXK32ygmlGOJtqJwHyYFl5LWCcONOo6baLzkI5WHivMFaXpU4FphvztbV4JFgex1cK3gF2
CXDrzFap0s9K8yDGpyi451Y4qaLc+8v/Kd5XFl8F1ejaFXCE9UMAOdDFrmklmGiHAp5Z6Z0RLQST
AD06Y8N2lb/mANIyJ7D3UMVbbkAYHZ0ZhC/hddi3SPbSRmHNReOwdUZbFSTJAc12lEudx/ClWEAi
RO70vRUrApJyH7jcadDJrmIvxW8DUodS4tpvWh8b7Y/VSwq2xQDqcFSvVLQTXbSzqF4m12Fvb05c
GpHH8Ol7lfbGw/v5dAP7nS01/g/Zly/n+7YpEFThnHlQMe4XUCFWtenjFfwDFM15YfnEjdsAAAAA
SUVORK5CYII=
)
D.ab>b
2
相关试题
-
若a>b>0,则下列不等式不一定成立的是( )
A.ac>bc
B.a+c>b+c
C.![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACgAAAAjCAYAAADmOUiuAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAFlSURBVFhH7ZcLsoMgDEWzMvbEdtiMS2EpeQTE
PhFMUkHsjE6dsS2Yw70JH8CHX/BwPvxBQO/QgEHnb9BWEGuv4GIRAMJ9A6AwVsXiBe0dgNEgPtYL
eJ7Jr4JXK32ygmlGOJtqJwHyYFl5LWCcONOo6baLzkI5WHivMFaXpU4FphvztbV4JFgex1cK3gF2
CXDrzFap0s9K8yDGpyi451Y4qaLc+8v/Kd5XFl8F1ejaFXCE9UMAOdDFrmklmGiHAp5Z6Z0RLQST
AD06Y8N2lb/mANIyJ7D3UMVbbkAYHZ0ZhC/hddi3SPbSRmHNReOwdUZbFSTJAc12lEudx/ClWEAi
RO70vRUrApJyH7jcadDJrmIvxW8DUodS4tpvWh8b7Y/VSwq2xQDqcFSvVLQTXbSzqF4m12Fvb05c
GpHH8Ol7lfbGw/v5dAP7nS01/g/Zly/n+7YpEFThnHlQMe4XUCFWtenjFfwDFM15YfnEjdsAAAAA
SUVORK5CYII=
)
D.ab>b2
-
如果a>b,且c为实数,那么下列不等式一定成立的是( )
A.ac>bc
B.ac<bc
C.ac2>bc2
D.ac2≥bc2
-
如图,已知∠DAE=∠B,∠DAB=∠C,则下列结论不成立的是( )
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAJ4AAABJCAYAAADMvp/sAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
A.AD∥BC
B.∠B=∠C
C.∠DAB+∠B=180°
D.AB∥CD
-
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
B0bjZhoPVGgNrjyh9oCkBiVI5e/B78gNkqKya1ZPukuIpizp9/l9PgkYixs5A6UiB4NXe2E1bw/U
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aC0ujkYAAAAASUVORK5CYII=
)
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
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAADDSURBVDhP7ZTrDcMgDIQ9mXfyOl6GURjF5Xi0
0JgGpIhfRUJRJDs+f+eYbPPQZrw9kBDVmNg0+rXHCkGMiNJdTcgfDSb/hBGvY9wOpWwafChXwtW8
B0bjZhoPVGgNrjyh9oCkBiVI5e/B78gNkqKya1ZPukuIpizp9/l9PgkYixs5A6UiB4NXe2E1bw/U
CpCDwCapvM+Hz5EDatOEKx1U8FdNkuTQwX6aACD7lpOX2RxvbvrtMgjtOL2yyQ9O64ocxLwAFKEC
aC0ujkYAAAAASUVORK5CYII=
)
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
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAADDSURBVDhP7ZTrDcMgDIQ9mXfyOl6GURjF5Xi0
0JgGpIhfRUJRJDs+f+eYbPPQZrw9kBDVmNg0+rXHCkGMiNJdTcgfDSb/hBGvY9wOpWwafChXwtW8
B0bjZhoPVGgNrjyh9oCkBiVI5e/B78gNkqKya1ZPukuIpizp9/l9PgkYixs5A6UiB4NXe2E1bw/U
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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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B0bjZhoPVGgNrjyh9oCkBiVI5e/B78gNkqKya1ZPukuIpizp9/l9PgkYixs5A6UiB4NXe2E1bw/U
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
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAADDSURBVDhP7ZTrDcMgDIQ9mXfyOl6GURjF5Xi0
0JgGpIhfRUJRJDs+f+eYbPPQZrw9kBDVmNg0+rXHCkGMiNJdTcgfDSb/hBGvY9wOpWwafChXwtW8
B0bjZhoPVGgNrjyh9oCkBiVI5e/B78gNkqKya1ZPukuIpizp9/l9PgkYixs5A6UiB4NXe2E1bw/U
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
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAADDSURBVDhP7ZTrDcMgDIQ9mXfyOl6GURjF5Xi0
0JgGpIhfRUJRJDs+f+eYbPPQZrw9kBDVmNg0+rXHCkGMiNJdTcgfDSb/hBGvY9wOpWwafChXwtW8
B0bjZhoPVGgNrjyh9oCkBiVI5e/B78gNkqKya1ZPukuIpizp9/l9PgkYixs5A6UiB4NXe2E1bw/U
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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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B0bjZhoPVGgNrjyh9oCkBiVI5e/B78gNkqKya1ZPukuIpizp9/l9PgkYixs5A6UiB4NXe2E1bw/U
CpCDwCapvM+Hz5EDatOEKx1U8FdNkuTQwX6aACD7lpOX2RxvbvrtMgjtOL2yyQ9O64ocxLwAFKEC
aC0ujkYAAAAASUVORK5CYII=
)
D.ac>bc