2022年中考云南省临沧市数学卷 .pdf
《2022年中考云南省临沧市数学卷 .pdf》由会员分享,可在线阅读,更多相关《2022年中考云南省临沧市数学卷 .pdf(8页珍藏版)》请在淘文阁 - 分享文档赚钱的网站上搜索。
1、2011年云南省临沧市中考数学试卷一、填空题(本大题共8 个小题,每个小题3 分,满分24 分)1、-2011 的相反数是2011 2、如图,l1l2,1=120,则 2=60 3、在函数21yxx中,自变量x 的取值范围是x1 4、计算101()(12)2=35、如图,在菱形ABCD 中,BAD=60,BD=4,则菱形ABCD 的周长是166、如图,O 的半径是2,ACD=30,则?AB的长是23(结果保留)7、若 a+b=3,ab=2,则 a2b+ab2=68、下面是按一定规律排列的一列数:24 816,35 79,那么第 n 个数是12(1)21nnn二、选择题(本大题共7 个小题,每个
2、小题只有一个正确选项,每小题3 分,满分21 分)9、第六次全国人口普查结果公布:云南省常住人口约为46000000 人,这个数据用科学记数法可表示为(B)人A 46 106B4.6 107C0.46 108D4.6 10810、下列运算,结果正确的是(C)A a2+a2=a4 B(a-b)2=a2-b2C2(a2b)(ab)=2aD(3ab2)2=6a2b411、下面几何体的俯视图是(D)ABCD12、为了庆祝建党90 周年,某单位举行了“颂党”歌咏比赛,进入决赛的7 名选手的成绩分别是:9.80,9.85,9.81,9.79,9.84,9.83,9.82(单位:分),这组数据的中位数和平均
3、数是(A)A9.82,9.82 B9.82,9.79 C9.79,9.82 D9.81,9.82 13、据调查,某市2011 年的房价为4000 元/m2,预计 2013 年将达到4840 元/m2,求这两年的年平均增长率,设年平均增长率为x,根据题意,所列方程为(B)A 4000(1+x)=4840 B4000(1+x)2=4840 C4000(1-x)=4840 D4000(1-x)2=4840 14、如图,已知OA=6,AOB=30,则经过点A 的反比例函数的解析式为(B)A9 3yxB9 3yxC9yxD9yx15、如图,已知B 与 ABD 的边 AD 相切于点 C,AC=4,B 的半
4、径为3,当 A 与 B 相切时,A 的半径是(D)A2 B7 C2 或 5 D2 或 8 三、解答题(本大题共9 个小题,满分75 分)16、解方程组29325xyxy解:29325xyxy,+得,4x=14,解得 x=72,把 x=72代入得,7292y,解得 y=114故原方程组的解为:72114xy17、先化简211()111xxxx,再从-1、0、1 三个数中,选择一个你认为合适的数作为x 的值代入求值解,=,文档编码:CB8F3K8J9I10 HD6W7H5J7O9 ZC9W2Y3V3H8文档编码:CB8F3K8J9I10 HD6W7H5J7O9 ZC9W2Y3V3H8文档编码:CB
5、8F3K8J9I10 HD6W7H5J7O9 ZC9W2Y3V3H8文档编码:CB8F3K8J9I10 HD6W7H5J7O9 ZC9W2Y3V3H8文档编码:CB8F3K8J9I10 HD6W7H5J7O9 ZC9W2Y3V3H8文档编码:CB8F3K8J9I10 HD6W7H5J7O9 ZC9W2Y3V3H8文档编码:CB8F3K8J9I10 HD6W7H5J7O9 ZC9W2Y3V3H8文档编码:CB8F3K8J9I10 HD6W7H5J7O9 ZC9W2Y3V3H8文档编码:CB8F3K8J9I10 HD6W7H5J7O9 ZC9W2Y3V3H8文档编码:CB8F3K8J9I10 HD
6、6W7H5J7O9 ZC9W2Y3V3H8文档编码:CB8F3K8J9I10 HD6W7H5J7O9 ZC9W2Y3V3H8文档编码:CB8F3K8J9I10 HD6W7H5J7O9 ZC9W2Y3V3H8文档编码:CB8F3K8J9I10 HD6W7H5J7O9 ZC9W2Y3V3H8文档编码:CB8F3K8J9I10 HD6W7H5J7O9 ZC9W2Y3V3H8文档编码:CB8F3K8J9I10 HD6W7H5J7O9 ZC9W2Y3V3H8文档编码:CB8F3K8J9I10 HD6W7H5J7O9 ZC9W2Y3V3H8文档编码:CB8F3K8J9I10 HD6W7H5J7O9 ZC9
7、W2Y3V3H8文档编码:CB8F3K8J9I10 HD6W7H5J7O9 ZC9W2Y3V3H8文档编码:CB8F3K8J9I10 HD6W7H5J7O9 ZC9W2Y3V3H8文档编码:CB8F3K8J9I10 HD6W7H5J7O9 ZC9W2Y3V3H8文档编码:CB8F3K8J9I10 HD6W7H5J7O9 ZC9W2Y3V3H8文档编码:CB8F3K8J9I10 HD6W7H5J7O9 ZC9W2Y3V3H8文档编码:CB8F3K8J9I10 HD6W7H5J7O9 ZC9W2Y3V3H8文档编码:CB8F3K8J9I10 HD6W7H5J7O9 ZC9W2Y3V3H8文档编码:
8、CB8F3K8J9I10 HD6W7H5J7O9 ZC9W2Y3V3H8文档编码:CB8F3K8J9I10 HD6W7H5J7O9 ZC9W2Y3V3H8文档编码:CB8F3K8J9I10 HD6W7H5J7O9 ZC9W2Y3V3H8文档编码:CB8F3K8J9I10 HD6W7H5J7O9 ZC9W2Y3V3H8文档编码:CB8F3K8J9I10 HD6W7H5J7O9 ZC9W2Y3V3H8文档编码:CB8F3K8J9I10 HD6W7H5J7O9 ZC9W2Y3V3H8文档编码:CB8F3K8J9I10 HD6W7H5J7O9 ZC9W2Y3V3H8文档编码:CB8F3K8J9I10
9、HD6W7H5J7O9 ZC9W2Y3V3H8文档编码:CB8F3K8J9I10 HD6W7H5J7O9 ZC9W2Y3V3H8文档编码:CB8F3K8J9I10 HD6W7H5J7O9 ZC9W2Y3V3H8文档编码:CB8F3K8J9I10 HD6W7H5J7O9 ZC9W2Y3V3H8文档编码:CB8F3K8J9I10 HD6W7H5J7O9 ZC9W2Y3V3H8文档编码:CB8F3K8J9I10 HD6W7H5J7O9 ZC9W2Y3V3H8文档编码:CB8F3K8J9I10 HD6W7H5J7O9 ZC9W2Y3V3H8文档编码:CB8F3K8J9I10 HD6W7H5J7O9 Z
10、C9W2Y3V3H8文档编码:CB8F3K8J9I10 HD6W7H5J7O9 ZC9W2Y3V3H8文档编码:CB8F3K8J9I10 HD6W7H5J7O9 ZC9W2Y3V3H8文档编码:CB8F3K8J9I10 HD6W7H5J7O9 ZC9W2Y3V3H8文档编码:CB8F3K8J9I10 HD6W7H5J7O9 ZC9W2Y3V3H8文档编码:CB8F3K8J9I10 HD6W7H5J7O9 ZC9W2Y3V3H8文档编码:CB8F3K8J9I10 HD6W7H5J7O9 ZC9W2Y3V3H8文档编码:CB8F3K8J9I10 HD6W7H5J7O9 ZC9W2Y3V3H8文档编
11、码:CB8F3K8J9I10 HD6W7H5J7O9 ZC9W2Y3V3H8文档编码:CB8F3K8J9I10 HD6W7H5J7O9 ZC9W2Y3V3H8=,=,取 x=0 代入上式得,=02+1,=218、如图,在平行四边形ABCD 中,点 P 是对角线AC 上的一点,PEAB,PFAD,垂足分别为 E、F,且 PE=PF,平行四边形ABCD 是菱形吗?为什么?解:是菱形理由如下:PEAB,PFAD,且 PE=PF,AC 是 DAB 的角平分线,DAC=CAE,四边形 ABCD 是平行四边形,DCAB,DCA=CAB,DAC=DCA,DA=DC,平行四边形ABCD 是菱形19、如图,下列
12、网格中,每个小方格的边长都是1(1)分别作出四边形ABCD 关于 x 轴、y 轴、原点的对称图形;(2)求出四边形ABCD 的面积文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10 HZ
13、8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10 H
14、Z8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10
15、HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10
16、 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J1
17、0 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J
18、10 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1
19、J10 HZ8L7Q8X1W2 ZE3F5S10G10M8解(1)如图所示:(2)四边形ABCD 的面积=20、如图,甲、乙两船同时从港口出发,甲船以60 海里/时的速度沿北偏东60 方向航行,乙船沿北偏西30 方向航行,半小时后甲船到达C 点,乙船正好到达甲船正西方向的B 点,求乙船的速度(31.7)解:由已知可得:AC=60 0.5=30,又已知甲船以60 海里/时的速度沿北偏东60 方向航行,乙船沿北偏西30,BAC=90 ,又乙船正好到达甲船正西方向的B 点,C=30 ,AB=AC?tan30=30 33=17,所以乙船的速度为:17 0.5=34,答:乙船的速度为34 海里/小时文档
20、编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8文
21、档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8
22、文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M
23、8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10
24、M8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G1
25、0M8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G10M8文档编码:CF3A3U7I1J10 HZ8L7Q8X1W2 ZE3F5S10G
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- 2022年中考云南省临沧市数学卷 2022 年中 云南省 临沧市 数学
限制150内