2015年云南省昆明市中考数学试卷解析.pdf

第1页共 40页2015 年云南省昆明市中考数学试卷一、选择题共 8 小题，每题 3 分，总分值 24 分1 3 分 2015?昆明 5 的绝对值是A5B5 CD 5 2 3 分 2015?昆明某校组织了“讲文明、守秩序、迎南博”知识竞赛活动，从中抽取了 7 名同学的参赛成绩如下单位：分：80，90，70，100，60，80，80则这组数据的中位数和众数分别是A90，80 B70，80 C80，80 D100，80 3 3 分 2015?昆明由 5 个完全相同的正方体组成的立体图形如下图，则它的俯视图是ABCD4 3 分 2015?昆明如图，在 ABC 中，B=40，过点 C 作 CDAB，ACD=65，则ACB 的度数为第2页共 40页A60B65C70D755 3 分 2015?昆明以下运算正确的选项是A=3 Ba2?a4=a6C2a23=2a6Da+22=a2+4 6 3 分 2015?昆明不等式组的解集在数轴上表示为ABCD7 3 分 2015?昆明如图，在菱形ABCD 中，对角线 AC、BD 相交于点 O，以下结论：ACBD；OA=OB；ADB=CDB；ABC 是等边三角形，其中一定成立的是ABCD文档编码:CO5V7E4O8B5 HQ7S8J4Z2S9 ZT5S8N3G7W9文档编码:CO5V7E4O8B5 HQ7S8J4Z2S9 ZT5S8N3G7W9文档编码:CO5V7E4O8B5 HQ7S8J4Z2S9 ZT5S8N3G7W9文档编码:CO5V7E4O8B5 HQ7S8J4Z2S9 ZT5S8N3G7W9文档编码:CO5V7E4O8B5 HQ7S8J4Z2S9 ZT5S8N3G7W9文档编码:CO5V7E4O8B5 HQ7S8J4Z2S9 ZT5S8N3G7W9文档编码:CO5V7E4O8B5 HQ7S8J4Z2S9 ZT5S8N3G7W9文档编码:CO5V7E4O8B5 HQ7S8J4Z2S9 ZT5S8N3G7W9文档编码:CO5V7E4O8B5 HQ7S8J4Z2S9 ZT5S8N3G7W9文档编码:CO5V7E4O8B5 HQ7S8J4Z2S9 ZT5S8N3G7W9文档编码:CO5V7E4O8B5 HQ7S8J4Z2S9 ZT5S8N3G7W9文档编码:CO5V7E4O8B5 HQ7S8J4Z2S9 ZT5S8N3G7W9文档编码:CO5V7E4O8B5 HQ7S8J4Z2S9 ZT5S8N3G7W9文档编码:CO5V7E4O8B5 HQ7S8J4Z2S9 ZT5S8N3G7W9文档编码:CO5V7E4O8B5 HQ7S8J4Z2S9 ZT5S8N3G7W9文档编码:CO5V7E4O8B5 HQ7S8J4Z2S9 ZT5S8N3G7W9文档编码:CO5V7E4O8B5 HQ7S8J4Z2S9 ZT5S8N3G7W9文档编码:CO5V7E4O8B5 HQ7S8J4Z2S9 ZT5S8N3G7W9文档编码:CO5V7E4O8B5 HQ7S8J4Z2S9 ZT5S8N3G7W9文档编码:CO5V7E4O8B5 HQ7S8J4Z2S9 ZT5S8N3G7W9文档编码:CO5V7E4O8B5 HQ7S8J4Z2S9 ZT5S8N3G7W9文档编码:CO5V7E4O8B5 HQ7S8J4Z2S9 ZT5S8N3G7W9文档编码:CO5V7E4O8B5 HQ7S8J4Z2S9 ZT5S8N3G7W9文档编码:CO5V7E4O8B5 HQ7S8J4Z2S9 ZT5S8N3G7W9文档编码:CO5V7E4O8B5 HQ7S8J4Z2S9 ZT5S8N3G7W9文档编码:CO5V7E4O8B5 HQ7S8J4Z2S9 ZT5S8N3G7W9文档编码:CO5V7E4O8B5 HQ7S8J4Z2S9 ZT5S8N3G7W9文档编码:CO5V7E4O8B5 HQ7S8J4Z2S9 ZT5S8N3G7W9文档编码:CO5V7E4O8B5 HQ7S8J4Z2S9 ZT5S8N3G7W9文档编码:CO5V7E4O8B5 HQ7S8J4Z2S9 ZT5S8N3G7W9文档编码:CO5V7E4O8B5 HQ7S8J4Z2S9 ZT5S8N3G7W9文档编码:CO5V7E4O8B5 HQ7S8J4Z2S9 ZT5S8N3G7W9文档编码:CO5V7E4O8B5 HQ7S8J4Z2S9 ZT5S8N3G7W9文档编码:CO5V7E4O8B5 HQ7S8J4Z2S9 ZT5S8N3G7W9文档编码:CO5V7E4O8B5 HQ7S8J4Z2S9 ZT5S8N3G7W9文档编码:CO5V7E4O8B5 HQ7S8J4Z2S9 ZT5S8N3G7W9文档编码:CO5V7E4O8B5 HQ7S8J4Z2S9 ZT5S8N3G7W9文档编码:CO5V7E4O8B5 HQ7S8J4Z2S9 ZT5S8N3G7W9文档编码:CO5V7E4O8B5 HQ7S8J4Z2S9 ZT5S8N3G7W9文档编码:CO5V7E4O8B5 HQ7S8J4Z2S9 ZT5S8N3G7W9文档编码:CO5V7E4O8B5 HQ7S8J4Z2S9 ZT5S8N3G7W9文档编码:CO5V7E4O8B5 HQ7S8J4Z2S9 ZT5S8N3G7W9文档编码:CO5V7E4O8B5 HQ7S8J4Z2S9 ZT5S8N3G7W9文档编码:CO5V7E4O8B5 HQ7S8J4Z2S9 ZT5S8N3G7W9文档编码:CO5V7E4O8B5 HQ7S8J4Z2S9 ZT5S8N3G7W9文档编码:CO5V7E4O8B5 HQ7S8J4Z2S9 ZT5S8N3G7W9文档编码:CO5V7E4O8B5 HQ7S8J4Z2S9 ZT5S8N3G7W9文档编码:CO5V7E4O8B5 HQ7S8J4Z2S9 ZT5S8N3G7W9第3页共 40页8 3 分 2015?昆明如图，直线 y=x+3 与 y 轴交于点 A，与反比例函数 y=k0的图象交于点 C，过点 C 作 CBx 轴于点 B，AO=3BO，则反比例函数的解析式为Ay=By=Cy=Dy=二、填空题共 6 小题，每题 3 分，总分值 18 分9 3 分 2015?昆明假设二次根式有意义，则 x 的取值范围是10 3 分 2015?昆明据统计，截止2014年 12 月 28 日，中国高铁运营总里程超过 16000 千米，稳居世界高铁里程榜首，将16000千米用科学记数法表示为千米11 3 分 2015?昆明如图，在 ABC 中，AB=8，点 D、E 分别是 BC、CA的中点，连接 DE，则 DE=文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3第4页共 40页12 3 分 2015?昆明计算：=13 3 分 2015?昆明关于 x 的一元二次方程2x24x+m1=0 有两个相等的实数根，则 m 的值为14 3 分 2015?昆明如图，ABC 是等边三角形，高AD、BE 相交于点 H，BC=4，在 BE 上截取 BG=2，以 GE 为边作等边三角形GEF，则 ABH 与 GEF重叠阴影部分的面积为三、解答题共 9 小题，总分值 58 分15 5 分 2015?昆明计算：+12015+6 02文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3第5页共 40页16 5 分 2015?昆明如图，点 B、E、C、F 在同一条直线上，A=D，B=DEF，BE=CF求证：AC=DF17 6 分 2015?昆明如图，ABC 三个顶点的坐标分别为A2，4，B1，1，C4，3 1请画出 ABC 关于 x 轴对称的 A1B1C1，并写出点 A1的坐标；2请画出 ABC 绕点 B 逆时针旋转 90 后的A2BC2；3求出 2中 C 点旋转到 C2点所经过的路径长记过保留根号和 18 6 分 2015?昆明2015 年 4 月 25 日，尼泊尔发生了里氏8.1 级地震，某中学组织了献爱心捐款活动，该校教学兴趣小组对本校学生献爱心捐款额做了一次随机抽样调查，并绘制了不完整的频数分布表和频数分布直方图每组含前一个边界值，不含后一个边界值 如下图：文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3第6页共 40页捐款额元 频数百分比5x0 5 10%10 x15 a 20%15x20 15 30%20 x25 14 b 25x30 6 12%总计100%1填空：a=，b=；2补全频数分布直方图；3该校共有 1600 名学生，估计这次活动中爱心捐款额不低于20元的学生有多少人？19 6 分 2015?昆明小云玩抽卡片和旋转盘游戏，有两张正面分别标有数字1，2 的不透明卡片，反面完全相同；转盘被平均分成3 个相等的扇形，并分别标有数字 1，3，4如下图，小云把卡片反面朝上洗匀后从中随机抽出一张，记下卡片上的数字；然后转动转盘，转盘停止后，记下指针所在区域的数字假设指针在分格线上，则重转一次，直到指针指向某一区域为止文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3第7页共 40页1请用列表或树状图的方法只选其中一种，表示出两次所得数字可能出现的所有结果；2求出两个数字之积为负数的概率20 6 分 2015?昆明如图，两幢建筑物AB 和 CD，ABBD，CDBD，AB=15cm，CD=20cm，AB 和 CD 之间有一景观池，小南在A 点测得池中喷泉处E 点的俯角为 42，在 C 点测得 E 点的俯角为 45 点 B、E、D 在同一直线上，求两幢建筑物之间的距离BD结果精确到 0.1m 参考数据：sin42 0.67，cos42 0.74，tan42 0.9021 7 分 2015?昆明某部队将在指定山区进行军事演习，为了使道路便于部队重型车辆通过，部队工兵连接到抢修一段长3600 米道路的任务，按原计划完成总任务的后，为了让道路尽快投入使用，工兵连将工作效率提高了50%，一共用了 10 小时完成任务1按原计划完成总任务的时，已抢修道路米；文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3第8页共 40页2求原计划每小时抢修道路多少米？22 8 分 2015?昆明如图，AH 是O 的直径，AE 平分FAH，交O 于点E，过点 E 的直线 FGAF，垂足为 F，B 为直径 OH 上一点，点 E、F 分别在矩形 ABCD 的边 BC 和 CD 上1求证：直线 FG 是O 的切线；2假设 CD=10，EB=5，求O 的直径23 9 分 2015?昆明如图，在平面直角坐标系中，抛物线y=ax2+x+ca0 与 x 轴交于 A、B 两点点 A 在点 B 的右侧，与 y 轴交于点 C，点 A 的坐标为4，0，抛物线的对称轴是直线x=1求抛物线的解析式；2M 为第一象限内的抛物线上的一个点，过点 M 作 MGx 轴于点 G，交 AC于点 H，当线段 CM=CH 时，求点 M 的坐标；3在2的条件下，将线段MG 绕点 G 顺时针旋转一个角 0 90 ，在旋转过程中，设线段MG 与抛物线交于点 N，在线段 GA 上是否存在点 P，使文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:CY4A6B1L10F2 HV1A7U6L3P9 ZA7A10P8C4W3文档编码:C