满分5 >
初中数学试题 >
(2006•凉山州)对于整数a、b、c、d,符合表示运算ad-bc,那么如果1<...
(2006•凉山州)对于整数a、b、c、d,符合
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131019110251751911892/SYS201310191102517519118007_ST/0.png)
表示运算ad-bc,那么如果1<
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131019110251751911892/SYS201310191102517519118007_ST/1.png)
<4,可知bc的取值范围是
.
考点分析:
相关试题推荐
(2006•凉山州)中国的国土面积为9 596 960平方千米,用科学记数法表示为
平方千米,保留三个有效数字表示为
平方千米,精确到万位表示为
平方千米.
查看答案
(2006•凉山州)分解因式:4x
3-x=
.
查看答案
(2009•锦州)下列图形中,既是中心对称图形又是轴对称图形的是( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131019110251751911892/SYS201310191102517519118004_ST/images0.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131019110251751911892/SYS201310191102517519118004_ST/images1.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131019110251751911892/SYS201310191102517519118004_ST/images2.png)
D.
查看答案
(2006•凉山州)柿子熟了,从树上落下来,下面的哪一幅图可以大致刻画出柿子下落过程中(即落地前)的速度变化情况( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131019110251751911892/SYS201310191102517519118003_ST/images0.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131019110251751911892/SYS201310191102517519118003_ST/images1.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131019110251751911892/SYS201310191102517519118003_ST/images2.png)
D.
查看答案
(2006•凉山州)同时抛掷两枚均匀的硬币,则两枚硬币国徽都朝上的概率是( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131019110251751911892/SYS201310191102517519118002_ST/0.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131019110251751911892/SYS201310191102517519118002_ST/1.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131019110251751911892/SYS201310191102517519118002_ST/2.png)
D.1
查看答案