题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023030355-37759.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023030355-86265.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023030355-89240.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023030355-40337.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023030355-19768.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023030356-78859.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023030356-18564.png)
答案
解析
试题分析:根据勾股定理,
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023030356-37762.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023030356-14649.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023030357-92097.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023030357-36391.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023030357-48859.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023030357-17060.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023030349-60369.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023030349-30749.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023030342-48665.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023030343-41423.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023030343-36671.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023030343-31924.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023030343-60038.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023030337-47839.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023030337-93781.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023030337-33527.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023030331-27925.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023030331-62668.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023030331-19119.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023030331-61002.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023030332-57518.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023030332-63966.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023030332-98559.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023030324-19340.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023030324-69553.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023030324-24098.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023030324-10447.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023030325-12046.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023030324-19340.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023030325-32304.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023030324-24098.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023030325-26054.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023030325-26054.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023030324-24098.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023030324-19340.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023030325-46875.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023030326-10911.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023030326-67181.png)
最新试题
- 1站在平面镜前的人向平面镜移动,那么他的像: [ ]A. 向平面镜移动,像会变大一些 B. 到平面镜的距离不变,像
- 2已知f(x)是定义在R上的奇函数,当x>0时,f(x)=x2+x-1,求的表达式.
- 3某兴趣小组对一火灾报警装置的部分电路进行探究,其电路如图所示,其中R2是半导体热敏电阻,它的电阻R随温度t变化关系如图乙
- 4冬天漫漫,春天还远,下图中A地区位于世界两大裂谷带之一的攀西大裂谷上,却冬天胜似春天,被称为四川的“三亚”,它就是攀枝花
- 5地球上面积最大约占世界海洋面积一半的大洋是[ ]A、太平洋 B、大西洋 C、印度洋 D、北冰洋
- 6已知,则( 的值等于 _
- 7计算:(1)=( );(2)(﹣12x4y3)÷(2x2y)2·(﹣3xy)=( );(3)(15x3y5﹣
- 8已知:A是石油裂解气的主要成分,A的产量通常用来衡量一个国家的石油化工发展水平;它有如图所示的转化关系。E是有香味的有机
- 9一列简谐横波如图所示,t1时刻的波形如图中实线所示,t2时刻的波形如图中虚线所示,已知Δt= t2— t1=0.5s,问
- 10下列划线字解释有误的一项是[ ]A.大雪三日,湖中人鸟声俱绝(绝:断绝)B.素湍绿潭,回清倒影(回:回旋)C.未
热门考点
- 1如图,菱形对角线AC,BD相交于一点O,且AC=12cm,BD=16cm.求这个菱形的周长和面积.
- 2Rt△ABC中,∠C=90°,锐角为30°,最短边长为5cm,则最长边上的中线是( )A.5cmB.15cmC.10c
- 3.---- My watch is out of order. ---- Then why don’t you hav
- 4若下列算法的程序运行的结果为S=132,那么判断框中应填入的关于k的判断条件是 ______.
- 5已知抛物线C的顶点在原点,焦点为F(1,0),且过点A(t,2), (1)求t的值;(2)若直线y=kx-1与抛物线C只
- 6我国一些城市在绿化过程中。耗费巨资移植大树进城。据统计,移植大树的成活率不超过60%。据此回答问题。移植大树成活率低的最
- 7完形填空(共20小题;每小题1.5分,满分30分)阅读下面短文,从短文后各题所给的四个选项(A、B、C和D)中,选出可以
- 8下列四个多项式:①-a2+b2;②-x2-y2;③1-(a-1)2;④m2-2mn+n2,其中能用平方差公式分解因式的有
- 9如果a是倒数等于它本身的数且a<0;b2=4且b>a;c是绝对值最小的有理数,试求a2+4ab-5bc+7ac+8b2c
- 10化学键的键能是原子间形成1 mol化学键(或其逆过程)时释放(或吸收)的能量。以下是部分共价键键能的数据: H-S:36