满分5 >
高中数学试题 >
若某多面体的三视图(单位:cm)如图所示,则此多面体的体积是( ) A.2cm3...
若某多面体的三视图(单位:cm)如图所示,则此多面体的体积是( )
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103102253405158476/SYS201311031022534051584005_ST/images0.png)
A.2cm
3B.4cm
3C.6cm
3D.12cm
3
考点分析:
相关试题推荐
按如图所示的程序框图运算,若输入x=6,则输出k的值是( )
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103102253405158476/SYS201311031022534051584004_ST/images0.png)
A.3
B.4
C.5
D.6
查看答案
已知平面向量
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103102253405158476/SYS201311031022534051584003_ST/0.png)
=(3,1),
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103102253405158476/SYS201311031022534051584003_ST/1.png)
=(x,-3),且
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103102253405158476/SYS201311031022534051584003_ST/2.png)
⊥
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103102253405158476/SYS201311031022534051584003_ST/3.png)
,则x=( )
A.-3
B.-1
C.1
D.3
查看答案
(文做)不等式x
2-x-2>0的解集为( )
A.{x|x>2或x<-1}
B.{x|-1<x<2}
C.{x|-2<x<1}
D.{x|x>1或x<-2}
查看答案
直线l的斜率是3,过点A(1,-2),则直线l的方程是( )
A.3x-y-5=0
B.3x+y-5=0
C.3x-y+1=0
D.3x+y-1=0
查看答案
下列说法正确的是( )
A.∅∈N
*B.-2∈Z
C.0∈∅
D.
查看答案