首页
(2008•大兴安岭)已知5个正数a1,a2,a3,a4,a5的平均数是a,且a1>a2>...
试题详情
(2008•大兴安岭)已知5个正数a
1,a
2,a
3,a
4,a
5的平均数是a,且a
1>a
2>a
3>a
4>a
5,则数据:a
1,a
2,a
3,0,a
4,a
5的平均数和中位数是( )
A.a,a
3B.a,
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACMAAAAqCAYAAAA51uKRAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
C.
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAjCAYAAACpZEt+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAADGSURBVDhPvVPRDcUgCGQydmIdl2EUR6EiqOjj
PX+a16RpQq53J3eCXB54D1ALCgDYi0WqU7sEC4VhlDUAkxDnbhqgSkGnBpITt52CSYEoZRhopB/H
7GaDXrKH3XAO+MXAdHqoRXAsqH3P476YxbdU7xIzwWB0zJT1zvBeozrTXNra5vRgldvXvEy2RkFS
FgdYo4gUZM2KeYD2Uf8mtrKdUtAHW6NbYQJLAjBJ9GJOidVm9+SDVfvhTD2lN2uGtd+Nv4eVZP8A
nWnStdqa83oAAAAASUVORK5CYII=
)
a,
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACMAAAAqCAYAAAA51uKRAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
D.
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABMAAAAjCAYAAAB2KjFhAAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAEgSURBVEhL3VXbDcQgDMtk7JR1WIZRGCWXNFDK
4wQX6M9VrSpVqnEcOwE6eMFBLHoHLHpHAKCP8xQNlBOzQGgEeJ6pYAEJg4FK8wuDRfIulQdIO5hV
AwIKqCNvEYxZdt28GmGseWANezPGYKeYBdzRLHpy2az8NpK6TPJOnPYt+yMz9aE8bG5OTWuhxTI1
Je52M9tnoC8flE/r37l0YVSA5KuA912fM5NutxNl9G2lmxKvnlXLVGuYMqtLVK10GETiu7pqsNvA
Dz0qU8uIegJ+AdOxbY9SKVM8szkYE5h6CFEA1R7WfILMf2GFQQf2Trlw/Vz5aOzulewOwNrorMBk
n3XiJw0Na6qsuqy6gBsXctnod+Dtu3Map3XFFrL5H2AfnneWRxeMuKUAAAAASUVORK5CYII=
)
,
相关试题
-
(2008•大兴安岭)已知5个正数a1,a2,a3,a4,a5的平均数是a,且a1>a2>a3>a4>a5,则数据:a1,a2,a3,0,a4,a5的平均数和中位数是( )
A.a,a3
B.a,![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACMAAAAqCAYAAAA51uKRAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
C.
a,![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACMAAAAqCAYAAAA51uKRAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
D.
,
-
(2008•大兴安岭)已知5个正数a1,a2,a3,a4,a5的平均数是a,且a1>a2>a3>a4>a5,则数据:a1,a2,a3,0,a4,a5的平均数和中位数是( )
A.a,a3
B.a,![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACMAAAAqCAYAAAA51uKRAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
C.
a,![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACMAAAAqCAYAAAA51uKRAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
D.
,
-
(2008•大兴安岭)已知5个正数a1,a2,a3,a4,a5的平均数是a,且a1>a2>a3>a4>a5,则数据:a1,a2,a3,0,a4,a5的平均数和中位数是( )
A.a,a3
B.a,![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACMAAAAqCAYAAAA51uKRAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
C.
a,![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACMAAAAqCAYAAAA51uKRAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
D.
,
-
(2008•大兴安岭)已知5个正数a1,a2,a3,a4,a5的平均数是a,且a1>a2>a3>a4>a5,则数据:a1,a2,a3,0,a4,a5的平均数和中位数是( )
A.a,a3
B.a,![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACMAAAAqCAYAAAA51uKRAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
C.
a,![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACMAAAAqCAYAAAA51uKRAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
D.
,
-
(2008•大兴安岭)已知5个正数a1,a2,a3,a4,a5的平均数是a,且a1>a2>a3>a4>a5,则数据:a1,a2,a3,0,a4,a5的平均数和中位数是( )
A.a,a3
B.a,![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACMAAAAqCAYAAAA51uKRAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
C.
a,![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACMAAAAqCAYAAAA51uKRAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
D.
,
-
(2008•大兴安岭)已知5个正数a1,a2,a3,a4,a5的平均数是a,且a1>a2>a3>a4>a5,则数据:a1,a2,a3,0,a4,a5的平均数和中位数是( )
A.a,a3
B.a,![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACMAAAAqCAYAAAA51uKRAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
C.
a,![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACMAAAAqCAYAAAA51uKRAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
D.
,
-
(2008•大兴安岭)已知5个正数a1,a2,a3,a4,a5的平均数是a,且a1>a2>a3>a4>a5,则数据:a1,a2,a3,0,a4,a5的平均数和中位数是( )
A.a,a3
B.a,![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACMAAAAqCAYAAAA51uKRAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
C.
a,![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACMAAAAqCAYAAAA51uKRAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
D.
,
-
(2008•大兴安岭)已知5个正数a1,a2,a3,a4,a5的平均数是a,且a1>a2>a3>a4>a5,则数据:a1,a2,a3,0,a4,a5的平均数和中位数是( )
A.a,a3
B.a,![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACMAAAAqCAYAAAA51uKRAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
C.
a,![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACMAAAAqCAYAAAA51uKRAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
D.
,
-
(2008•大兴安岭)已知5个正数a1,a2,a3,a4,a5的平均数是a,且a1>a2>a3>a4>a5,则数据:a1,a2,a3,0,a4,a5的平均数和中位数是( )
A.a,a3
B.a,![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACMAAAAqCAYAAAA51uKRAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
C.
a,![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACMAAAAqCAYAAAA51uKRAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
D.
,
-
(2008•大兴安岭)关于x的分式方程
=1,下列说法正确的是( )
A.方程的解是x=m+5
B.m>-5时,方程的解是正数
C.m<-5时,方程的解为负数
D.无法确定