满分5 >
高中数学试题 >
如图是一个长方体截去一个角后所得多面体的三视图,则该多面体的体积为 .
如图是一个长方体截去一个角后所得多面体的三视图,则该多面体的体积为
.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103101826852995562/SYS201311031018268529955011_ST/images0.png)
考点分析:
相关试题推荐
若cosα=-
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103101826852995562/SYS201311031018268529955010_ST/0.png)
,且角α的终边经过点(x,2),则P点的横坐标x是
.
查看答案
设函数f(x)=
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103101826852995562/SYS201311031018268529955009_ST/0.png)
-
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103101826852995562/SYS201311031018268529955009_ST/1.png)
,[x]表示不超过x的最大整数,则y=[f(x)]的值域是( )
A.{0,1}
B.{0,-1}
C.{-1,1}
D.{1,1}
查看答案
若直线ax-by+2=0(a>0,b>0)被圆x
2+y
2+2x-4y+1=0截得的弦长为4,则
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103101826852995562/SYS201311031018268529955008_ST/0.png)
的最小值为( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103101826852995562/SYS201311031018268529955008_ST/1.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103101826852995562/SYS201311031018268529955008_ST/2.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103101826852995562/SYS201311031018268529955008_ST/3.png)
+
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103101826852995562/SYS201311031018268529955008_ST/4.png)
D.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103101826852995562/SYS201311031018268529955008_ST/5.png)
+2
查看答案
若满足条件
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103101826852995562/SYS201311031018268529955007_ST/0.png)
的△ABC有两个,那么a的取值范围是( )
A.(1,
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103101826852995562/SYS201311031018268529955007_ST/1.png)
)
B.(
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103101826852995562/SYS201311031018268529955007_ST/2.png)
)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103101826852995562/SYS201311031018268529955007_ST/3.png)
D.(1,2)
查看答案
设l,m是两条不同的直线,α是一个平面,则下列命题正确的是( )
A.若l⊥m,m⊂α,则l⊥α
B.若l⊥α,l∥m,则m⊥α
C.若l∥α,m⊂α,则l∥m
D.若l∥α,m∥α,则l∥m
查看答案