1 . 把式子
记作P,式子
记作Q,
(1)当
时,
______,
______;
(2)若P,Q的值互为相反数,求x.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c919ca8e6ef1514e54bf5b36592bc377.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4585a6f16b0456663a3745c9c1ae1ec.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba53065eb180a682305fddb95d14b62f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e989c65b1aaa8812e0e8bb6983c2bd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7b2a80b41ffdb9089018e2b9654a858.png)
(2)若P,Q的值互为相反数,求x.
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2 . 在数轴上有A,B 两点,分别表示实数a和b,且
与
互为相反数,求
的平方根.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432e1d232b0a0bc6ddf553f28a8cf55c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1998dbab7a78019320a4b3e76fe92eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51367608f8805985fa3a9bc9e6222230.png)
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3 . 如图是甲、乙、丙、丁4个地区某日的平均气温,其中温度最低的地区是( )
某日的平均气温 甲: ![]() 乙:10℃ 丙:21℃ 丁: ![]() |
A.甲 | B.乙 | C.丙 | D.丁 |
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7日内更新
|
37次组卷
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3卷引用:2024年河北省张家口市九年级中考三模数学试题
4 . 2024年5月6日,海南省最高气温达到零上44.2度,记录为
度,而5月份我国南极长城科考站最低气温为零下27.7度,应该记录为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6509850ff13a13a51da2c473b405366.png)
A.![]() | B.44.2度 | C.![]() | D.![]() |
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5 . 下列选项中,可以用来表示一个问题中具有相反意义的量的是( )
A.1和2 | B.![]() ![]() | C.![]() | D.![]() |
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6 . 下列命题是真命题的是( )
A.![]() | B.![]() |
C.若![]() ![]() | D.![]() |
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7 . 在数轴上,点
、
分别表示数
,
,若点
、点
在数轴上位置如图:
的取值范围;
(2)如果点
表示数为
,当点
在线段
上,求
的取值范围.
(3)已知关于
的不等式
有且仅有三个正整数解,则满足条件的
的取值范围是______.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6725f9dc4a6591acf588cf8391556f78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)如果点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ebf6b38a0610c823465f94224de7ca4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79dd200766db27fb90d6bd1992cf658.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(3)已知关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6954673af63dc456309f43022b9f6ec7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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名校
8 . 如图,在数轴上,点
表示的数是
,点
在原点右侧,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3eaf5a17f8ec43b9c87b391ca5bd77c.png)
表示的数.
(2)若动点
、
两点分别从
、
两点同时出发,点
从点
向右运动每秒
个单位长度;点
从点
向左运动每秒
个单位长度,且
是线段
的中点,
是线段
的中点,求经过多长时间
、
两点间距离是
.
(3)在(2)的条件下,点
始终保持原速向右运动,当点
、
相遇时,点
立即改变方向,向右运动,速度不变,点
到点
时停止运动,点
也随之停止,在整个运动过程中,当
时,求在数轴上点
表示的数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21d29cc24fd9f4933fcce5ea27d0372c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3eaf5a17f8ec43b9c87b391ca5bd77c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)若动点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f8c4c029e552954bd493b49aeab82d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80672dda9430cb42b3136bcb1b67bbad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15bdee7807edba89958c84bf4bb85f15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1835e4f4b1b030477f65dabd16ce080.png)
(3)在(2)的条件下,点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ad41645bae49757be1e0fd84835e5b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
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9 . “坎宁安数”是以英国数学家坎宁安的名字命名的,能写成
形式的数字,2024是一个坎宁安数,因为
.下列各数中均含有“2024”,其中最小的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f28adf13f22feb5038c16ee8e2e20f2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c501552e74c568836ec4f84c4bbed2a2.png)
A.2024 | B.![]() | C.![]() | D.![]() |
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10 . 若将辽河的标准水位记为0米,则下列水位记录最接近标准水位的是( )
A.![]() | B.![]() | C.![]() | D.1米 |
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2024-06-11更新
|
139次组卷
|
2卷引用:2024年辽宁省辽阳市中考第三次模拟数学试题