一元一次不等式组
一、选择题（每题4分，共32分）
1、下列不等式组中，解集是2＜x＜3的不等式组是( )
A、![](https://wkrtcs.bdimg.com/rtcs/image?w=51&md5sum=e6aa9d506c6dcdeba35ae5510905ac1d&sign=7f17234563&rtcs_flag=1&rtcs_ver=4&l=webapp&bucketNum=494&ipr={"t":"img","w":"51","h":"78","c":"1e75cc5c560b809cce8a3d4173d38033.png"})
2、在数轴上从左至右的三个数为a，1＋a，－a，则a的取值范围是（ ）
A、a＜![](https://wkrtcs.bdimg.com/rtcs/image?w=16&md5sum=e6aa9d506c6dcdeba35ae5510905ac1d&sign=7f17234563&rtcs_flag=1&rtcs_ver=4&l=webapp&bucketNum=494&ipr={"t":"img","w":"16","h":"43","c":"93b05c90d14a117ba52da1d743a43ab1.png"})
3、不等式组![](https://wkrtcs.bdimg.com/rtcs/image?w=89&md5sum=e6aa9d506c6dcdeba35ae5510905ac1d&sign=7f17234563&rtcs_flag=1&rtcs_ver=4&l=webapp&bucketNum=494&ipr={"t":"img","w":"89","h":"78","c":"cb393eccc5709103c71a253fc37d962a.png"})
![](https://wkrtcs.bdimg.com/rtcs/image?w=544.00&md5sum=e6aa9d506c6dcdeba35ae5510905ac1d&sign=7f17234563&rtcs_flag=1&rtcs_ver=4&l=webapp&bucketNum=494&ipr={"t":"img","r":"r_7","w":"544.00","h":"81.33","dataType":"gif","c":"word/media/image7.gif"})
4、不等式组![](https://wkrtcs.bdimg.com/rtcs/image?w=90&md5sum=e6aa9d506c6dcdeba35ae5510905ac1d&sign=7f17234563&rtcs_flag=1&rtcs_ver=4&l=webapp&bucketNum=494&ipr={"t":"img","w":"90","h":"78","c":"6f52c79391870f6b2c0e48fea0fa93bb.png"})
A、1个 B、2个 C、3个 D、4个
5、已知不等式：①![](https://wkrtcs.bdimg.com/rtcs/image?w=40&md5sum=e6aa9d506c6dcdeba35ae5510905ac1d&sign=7f17234563&rtcs_flag=1&rtcs_ver=4&l=webapp&bucketNum=494&ipr={"t":"img","w":"40","h":"20","c":"3d3e00e0b84ad6b64a3461fe9092698a.png"})
A、①与② B、②与③ C、③与④ D、①与④
6、方程组![](https://wkrtcs.bdimg.com/rtcs/image?w=107&md5sum=e6aa9d506c6dcdeba35ae5510905ac1d&sign=7f17234563&rtcs_flag=1&rtcs_ver=4&l=webapp&bucketNum=494&ipr={"t":"img","w":"107","h":"78","c":"b788fd7657730f7a76159a8bfcdf2535.png"})
A.![](https://wkrtcs.bdimg.com/rtcs/image?w=60&md5sum=e6aa9d506c6dcdeba35ae5510905ac1d&sign=7f17234563&rtcs_flag=1&rtcs_ver=4&l=webapp&bucketNum=494&ipr={"t":"img","w":"60","h":"43","c":"90d7fa88b16979fc6fd039a3d5c15608.png"})
二、填空题（每题4分，共32分）
7、若y同时满足y＋1＞0与y－2＜0，则y的取值范围是______________.
8、不等式组![](https://wkrtcs.bdimg.com/rtcs/image?w=78&md5sum=e6aa9d506c6dcdeba35ae5510905ac1d&sign=7f17234563&rtcs_flag=1&rtcs_ver=4&l=webapp&bucketNum=494&ipr={"t":"img","w":"78","h":"78","c":"ae6ca24e15807fe6d4e0e1ee55795117.png"})
9、若不等式组![](https://wkrtcs.bdimg.com/rtcs/image?w=98&md5sum=e6aa9d506c6dcdeba35ae5510905ac1d&sign=7f17234563&rtcs_flag=1&rtcs_ver=4&l=webapp&bucketNum=494&ipr={"t":"img","w":"98","h":"78","c":"20504c6aa0c8b8a6367c8489950f29a3.png"})
10、不等式组![](https://wkrtcs.bdimg.com/rtcs/image?w=50&md5sum=e6aa9d506c6dcdeba35ae5510905ac1d&sign=7f17234563&rtcs_flag=1&rtcs_ver=4&l=webapp&bucketNum=494&ipr={"t":"img","w":"50","h":"78","c":"b8cd99bab925ca037ce9d68d7da49cd2.png"})
11、若不等式组![](https://wkrtcs.bdimg.com/rtcs/image?w=90&md5sum=e6aa9d506c6dcdeba35ae5510905ac1d&sign=7f17234563&rtcs_flag=1&rtcs_ver=4&l=webapp&bucketNum=494&ipr={"t":"img","w":"90","h":"78","c":"b7fd77a79f3dae6c2f04c2160a48ce0e.png"})
12、解不等式组![](https://wkrtcs.bdimg.com/rtcs/image?w=158&md5sum=e6aa9d506c6dcdeba35ae5510905ac1d&sign=7f17234563&rtcs_flag=1&rtcs_ver=4&l=webapp&bucketNum=494&ipr={"t":"img","w":"158","h":"124","c":"638ede4dcf969485f96d4ee3d5fbb01c.png"})
13、求同时满足不等式6x－2≥3x－4和![](https://wkrtcs.bdimg.com/rtcs/image?w=150&md5sum=e6aa9d506c6dcdeba35ae5510905ac1d&sign=7f17234563&rtcs_flag=1&rtcs_ver=4&l=webapp&bucketNum=494&ipr={"t":"img","w":"150","h":"43","c":"882d154bf145c8d2a7208d1f7aab11c5.png"})
14、若关于x、y的二元一次方程组![](https://wkrtcs.bdimg.com/rtcs/image?w=122&md5sum=e6aa9d506c6dcdeba35ae5510905ac1d&sign=7f17234563&rtcs_flag=1&rtcs_ver=4&l=webapp&bucketNum=494&ipr={"t":"img","w":"122","h":"78","c":"065de505600e9e3f223038c4c7f62237.png"})
15、某次知识竞赛共有20道选择题．对于每一道题，若答对了，则得10分；若答错了或不答，则扣3分．请问至少要答对几道题，总得分才不少于70分
16、把一篮苹果分给若干个小朋友，每人分5个，则还余2个；每人分6个，那么最后一个小朋友分得的苹果少于2个，求小朋友的人数和苹果的个数．
17、汽车从甲地到乙地，若每小时行驶45千米，就要延误30分钟到达；若每小时行驶50千米，那就可以提前30分钟到达，求甲、乙两地之间的距离及原计划行驶的时间
18、甲、乙两人练习赛跑，如果甲让乙先跑10米，那么甲跑5秒钟就可以追上乙；如果甲让乙先跑2秒钟，那么甲跑4秒钟就能追上乙，求两人每秒钟各跑多少米
本文来源：https://www.2haoxitong.net/k/doc/6247cf5d85868762caaedd3383c4bb4cf6ecb745.html
文档为doc格式