满分5 >
高中数学试题 >
f′(x)是定义域为R的函数f(x)的导函数,若f′(x)-f(x)<0,若a=...
f′(x)是定义域为R的函数f(x)的导函数,若f′(x)-f(x)<0,若a=e2012f(0)、b=e2011f(1)、c=e1000f(1012),则a,b,c的大小关系是 .
考点分析:
相关试题推荐
已知S、A、B、C是球O表面上的点,SA⊥平面ABC,AB⊥BC,SA=AB=1,BC=
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103101431417521780/SYS201311031014314175217014_ST/0.png)
,则球O的表面积等于
.
查看答案
已知圆C的圆必是抛物线
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103101431417521780/SYS201311031014314175217013_ST/0.png)
的焦点.直线4x-3y-3=0与圆C相交于A,B两点,且|AB|=8,则圆C的方程为
.
查看答案
已知定义在R上的函数f(x)满足f(1)=1,f(1-x)=1-f(x),2f(x)=f(4x),且当0≤x
1<x
2≤1时,f(x
1)≤f(x
2),则f(
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103101431417521780/SYS201311031014314175217012_ST/0.png)
)等于( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103101431417521780/SYS201311031014314175217012_ST/1.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103101431417521780/SYS201311031014314175217012_ST/2.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103101431417521780/SYS201311031014314175217012_ST/3.png)
D.
查看答案
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103101431417521780/SYS201311031014314175217011_ST/images0.png)
如图,在圆心角为直角的扇形OAB中,分别以OA,OB为直径作两个半圆.在扇形OAB内随机取一点,则此点取自阴影部分的概率是( )
A.1-
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103101431417521780/SYS201311031014314175217011_ST/0.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103101431417521780/SYS201311031014314175217011_ST/1.png)
-
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103101431417521780/SYS201311031014314175217011_ST/2.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103101431417521780/SYS201311031014314175217011_ST/3.png)
D.
查看答案
现有16张不同的卡片,其中红色、黄色、蓝色、绿色卡片各4张,从中任取3张,要求取出的这些卡片不能是同一种颜色,且红色卡片至多1张,不同取法的种数为( )
A.232
B.252
C.472
D.484
查看答案