2019年山东省济南市中学考试数学试卷(解析汇报版).pdf
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1、word 1/21 2019 年某某省某某市中考数学试卷一、选择题每一小题4 分,共 48 分1 7 的相反数是A 7BC7D1 2以下给出的几何体中,主视图是矩形,俯视图是圆的是ABCD32019 年 1 月 3 日,“嫦娥四号探测器成功着陆在月球背面东经177.6 度、南纬 45.5 度附近,实现了人类首次在月球背面软着陆数字177.6 用科学记数法表示为103 1021031024如图,DEBC,BE平分ABC,假如 170,如此CBE的度数为A 20B 35C 55D 705实数a、b在数轴上的对应点的位置如下列图,如下关系式不成立的是Aa5b5B6a6bCabDab0 6下面的图形是
2、用数学家名字命名的,其中既是轴对称图形又是中心对称图形的是A赵爽弦图 B笛卡尔心形线word 2/21 C科克曲线D斐波那契螺旋线7化简+的结果是Ax2BCD8在学校的体育训练中,小杰投掷实心球的7 次成绩如统计图所示,如此这7 次成绩的中位数和平均数分别是mmmmmmmm9函数yax+a与ya0在同一坐标系中的图象可能是ABCD10如图,在菱形ABCD中,点E是BC的中点,以C为圆心、CE为半径作弧,交CD于点F,连接AE、AF假如AB6,B60,如此阴影局部的面积为A 93 B 92C189D186文档编码:CS10J2U2P10G2 HQ6D1X8P4A6 ZJ7U7M3F3M1文档编码
3、:CS10J2U2P10G2 HQ6D1X8P4A6 ZJ7U7M3F3M1文档编码:CS10J2U2P10G2 HQ6D1X8P4A6 ZJ7U7M3F3M1文档编码:CS10J2U2P10G2 HQ6D1X8P4A6 ZJ7U7M3F3M1文档编码:CS10J2U2P10G2 HQ6D1X8P4A6 ZJ7U7M3F3M1文档编码:CS10J2U2P10G2 HQ6D1X8P4A6 ZJ7U7M3F3M1文档编码:CS10J2U2P10G2 HQ6D1X8P4A6 ZJ7U7M3F3M1文档编码:CS10J2U2P10G2 HQ6D1X8P4A6 ZJ7U7M3F3M1文档编码:CS10J
4、2U2P10G2 HQ6D1X8P4A6 ZJ7U7M3F3M1文档编码:CS10J2U2P10G2 HQ6D1X8P4A6 ZJ7U7M3F3M1文档编码:CS10J2U2P10G2 HQ6D1X8P4A6 ZJ7U7M3F3M1文档编码:CS10J2U2P10G2 HQ6D1X8P4A6 ZJ7U7M3F3M1文档编码:CS10J2U2P10G2 HQ6D1X8P4A6 ZJ7U7M3F3M1文档编码:CS10J2U2P10G2 HQ6D1X8P4A6 ZJ7U7M3F3M1文档编码:CS10J2U2P10G2 HQ6D1X8P4A6 ZJ7U7M3F3M1文档编码:CS10J2U2P10
5、G2 HQ6D1X8P4A6 ZJ7U7M3F3M1文档编码:CS10J2U2P10G2 HQ6D1X8P4A6 ZJ7U7M3F3M1文档编码:CS10J2U2P10G2 HQ6D1X8P4A6 ZJ7U7M3F3M1文档编码:CS10J2U2P10G2 HQ6D1X8P4A6 ZJ7U7M3F3M1文档编码:CS10J2U2P10G2 HQ6D1X8P4A6 ZJ7U7M3F3M1文档编码:CS10J2U2P10G2 HQ6D1X8P4A6 ZJ7U7M3F3M1文档编码:CS10J2U2P10G2 HQ6D1X8P4A6 ZJ7U7M3F3M1文档编码:CS10J2U2P10G2 HQ6
6、D1X8P4A6 ZJ7U7M3F3M1文档编码:CS10J2U2P10G2 HQ6D1X8P4A6 ZJ7U7M3F3M1文档编码:CS10J2U2P10G2 HQ6D1X8P4A6 ZJ7U7M3F3M1文档编码:CS10J2U2P10G2 HQ6D1X8P4A6 ZJ7U7M3F3M1文档编码:CS10J2U2P10G2 HQ6D1X8P4A6 ZJ7U7M3F3M1文档编码:CS10J2U2P10G2 HQ6D1X8P4A6 ZJ7U7M3F3M1文档编码:CS10J2U2P10G2 HQ6D1X8P4A6 ZJ7U7M3F3M1文档编码:CS10J2U2P10G2 HQ6D1X8P4
7、A6 ZJ7U7M3F3M1文档编码:CS10J2U2P10G2 HQ6D1X8P4A6 ZJ7U7M3F3M1文档编码:CS10J2U2P10G2 HQ6D1X8P4A6 ZJ7U7M3F3M1文档编码:CS10J2U2P10G2 HQ6D1X8P4A6 ZJ7U7M3F3M1文档编码:CS10J2U2P10G2 HQ6D1X8P4A6 ZJ7U7M3F3M1文档编码:CS10J2U2P10G2 HQ6D1X8P4A6 ZJ7U7M3F3M1文档编码:CS10J2U2P10G2 HQ6D1X8P4A6 ZJ7U7M3F3M1文档编码:CS10J2U2P10G2 HQ6D1X8P4A6 ZJ7
8、U7M3F3M1文档编码:CS10J2U2P10G2 HQ6D1X8P4A6 ZJ7U7M3F3M1文档编码:CS10J2U2P10G2 HQ6D1X8P4A6 ZJ7U7M3F3M1文档编码:CS10J2U2P10G2 HQ6D1X8P4A6 ZJ7U7M3F3M1文档编码:CS10J2U2P10G2 HQ6D1X8P4A6 ZJ7U7M3F3M1文档编码:CS10J2U2P10G2 HQ6D1X8P4A6 ZJ7U7M3F3M1文档编码:CS10J2U2P10G2 HQ6D1X8P4A6 ZJ7U7M3F3M1文档编码:CS10J2U2P10G2 HQ6D1X8P4A6 ZJ7U7M3F3
9、M1文档编码:CS10J2U2P10G2 HQ6D1X8P4A6 ZJ7U7M3F3M1文档编码:CS10J2U2P10G2 HQ6D1X8P4A6 ZJ7U7M3F3M1文档编码:CS10J2U2P10G2 HQ6D1X8P4A6 ZJ7U7M3F3M1文档编码:CS10J2U2P10G2 HQ6D1X8P4A6 ZJ7U7M3F3M1word 3/21 11某数学社团开展实践性研究,在大明某某门A测得历下亭C在北偏东37方向,继续向北走 105m后到达游船码头B,测得历下亭C在游船码头B的北编东53方向 请计算一下南门A与历下亭C之间的距离约为 参考数据:tan37,tan53 A 225
10、mB 275mC 300mD 315m12关于x的一元二次方程ax2+bx+0 有一个根是 1,假如二次函数yax2+bx+的图象的顶点在第一象限,设t 2a+b,如此t的取值 X围是AtB 1tCtD 1t二、填空题每一小题4 分,共 24 分 13分解因式:m24m+414如图,一个可以自由转动的转盘,被分成了6 个一样的扇形,转动转盘,转盘停止时,指针落在红色区域的概率等于15一个n边形的内角和等于720,如此n16代数式与代数式32x的和为 4,如此x17某市为提倡居民节约用水,自今年1 月 1 日起调整居民用水价格图中l1、l2分别表示去年、今年水费y元与用水量xm3之间的关系小雨家
11、去年用水量为150m3,假如今年用水量与去年一样,水费将比去年多元文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E
12、2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX
13、7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E
14、2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX
15、7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E
16、2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX
17、7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3word 4/21 18如图,在矩形纸片ABCD中,将AB沿BM翻折,使点A落在BC上的点N处,BM为折痕,连接MN;再将CD沿CE翻折,使点D恰好落在MN上的点F处,CE为折痕,连接EF并延长交B M于点P,假如AD8,AB5,如此线段PE的长等于三、解答题19 6 分计算:1+102cos
18、60+20 6 分解不等式组,并写出它的所有整数解21 6 分如图,在?ABCD中,E、F分别是AD和BC上的点,DAFBCE求证:BFDE22 8 分为提高学生的阅读兴趣,某学校建立了共享书架,并购置了一批书籍其中购置A种图书花费了3000 元,购置B种图书花费了1600 元,A种图书的单价是B种图书的1.5 倍,购置A种图书的数量比B种图书多20 本1求A和B两种图书的单价;2书店在“世界读书日进展打折促销活动,所有图书都按8 折销售学校当天购置了文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3
19、I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9
20、Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3
21、I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9
22、Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3
23、I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9
24、Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3
25、I5H8K4Z3文档编码:CX7R8A9Q2F3 HH4T2Z8Y1E2 ZL3I5H8K4Z3word 5/21 A种图书 20 本和B种图书 25 本,共花费多少元?23 8 分如图,AB、CD是O的两条直径,过点C的O的切线交AB的延长线于点E,连接AC、BD1求证;ABDCAB;2假如B是OE的中点,AC12,求O的半径24 10 分 某学校八年级共400 名学生,为了解该年级学生的视力情况,从中随机抽取40名学生的视力数据作为样本,数据统计如下:根据数据绘制了如下的表格和统计图:等级视力x频数频率Ax4 Bx12 CxaDxbEx10 合计40 1 根据上面提供的信息,回答如下问题:
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