1 . 若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32b9afe6e2307c6a8b0097a6c45b227c.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1425e26e95459337b870118e7bb88e98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32b9afe6e2307c6a8b0097a6c45b227c.png)
您最近一年使用:0次
2 . 将三张相同卡片的正面分别写“2”,“4”,“6”.将背面朝上洗匀后随机抽出一张卡片,将该卡片上的数作为十位数,再从余下的两张卡片中随机抽出一张卡片,将该卡片上的数作为个位数,所得的两位数能被4整除的概率是( )
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
3 . 解方程组:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46b15d4792918ebcfda1bf98d05c67e2.png)
您最近一年使用:0次
4 . 如图,
是半圆的直径,
是
的中点,
,求![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b63f7bb04b2ddc7c88d0363a812a22f.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/667349d99185bb045030b733352ff7fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1a70f42dccbe717bd85872938e26412.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b63f7bb04b2ddc7c88d0363a812a22f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/12/a3b9cec7-7439-4756-b14f-3e55284fabe2.jpg?resizew=180)
您最近一年使用:0次
5 . 因式分解:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89d426d364a201a279356cb4aef9cf1.png)
_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89d426d364a201a279356cb4aef9cf1.png)
您最近一年使用:0次
6 . 等腰直角三角形的腰长为
,该三角形的重心到斜边的距离为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2022-12-11更新
|
39次组卷
|
2卷引用:上海市嘉定区安亭高级中学2022-2023学年高一上学期分班考试数学试题
7 . 关于
的二元一次方程组
的解集为
,则实数k的值为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adcab357c183740d77f9c0fefdd1c066.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a837165ca03f9e4ea8964979c95e3bb.png)
您最近一年使用:0次
8 . 给出下列四个命题:
(1)当
时,
;
(2)当
且
时,
;
(3)设
是方程
的两个根,则
;
(4)设
,若关于
的方程
的解集为
,则
且
.
其中真命题的个数是( )
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52e64e96b958788b40b4b286a2c4edc8.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ec9be2faf8e743df2fb0bbf56554e73.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e288596fa3811dd2c17bded60e82e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41fe511fd1cbb045a82c8f1087e7b7f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b757f4353577c9a4f68153e0b2f9d107.png)
(4)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73254f32b6da29ecc32df2e9f87a4c97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40cb7125a7b832153bb37fb614a73e6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/143b917df0520097be222accbddf9394.png)
其中真命题的个数是( )
A.1个 | B.2个 | C.3个 | D.4个 |
您最近一年使用:0次
9 . 设
是方程
的两个根,则
的值是____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9e5916fa2d74cb12cb21e1561cdf251.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4242299e63c36977dfbcfb38320561f.png)
您最近一年使用:0次
名校
10 . 我国西北某地长期土地沙漠化严重,近几年通过各种方法防沙治沙效果显著,两年间沙地面积从
公顷下降为
公顷,则这两年的平均下降率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/821b8672d030c240ff230a0174aa7a3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/401dddda7c1cc8d59ad3835ceb8093ca.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2022-11-08更新
|
386次组卷
|
5卷引用:河南省安阳市开发区高级中学2022—2023学年高一上学期期中天一大联考数学试题