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1、word 2012 年北京市高考数学试卷(理科)一、选择题共8 小题每小题 5 分.共 40 分.在每小题列出的四个选项中,选出符合胜目要求的一项.1 已知集合320,130AxxBxxxRR,则 AB=()A,1B21,3C2,33D 3,2设不等式组0202xy,表示的平面区域为 D,在区域 D 内随机取一个点,则此点到坐标原点的距离大于2的概率是()A4B22C6D443设,a bR“0a”是“复数 abi 是纯虚数”的()A充分而不必要条件B必要而不充分条件C充分必要条件D既不充分也不必要条件4执行如图所示的程序框图,输出的S值为()A 2B 4C 8D165如图,,90ACBCDAB
2、于点 D,以 BD 为直径的圆与BC交于点 E则word()A CE CBAD DBB CE CBAD ABC2AD ABCDD2CE EBCD6 从 0,2中选一个数字从 1、3、5中选两个数字,组成无重复数字的三位数 其中奇数的个数为()A 24B 18C 12D 67某三棱锥的三视图如图所示,该三棱锥的表面积是()A 286 5B306 5C 56 12 5D6012 58 某棵果树前n年的总产量 Sn与n之间的关系如图所示 从目前记录的结果看,前m年的年平均产量最高,则m的值为()A 5B 7C 9D11文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文
3、档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H
4、9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文
5、档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H
6、9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文
7、档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H
8、9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文
9、档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6word 二.填空题共 6小题每小题 5分共 30分.9 直线21xtyt(t为参数)与曲线3cos3sinxy(为参数)的交点个数为10已知na是等差数列,nS 为其前n项和若1231,2aSa,则2a=11在ABC中,若12,7,cos4abcB,则 b=12在直角坐标系xOy中直线 l 过抛物线24yx 的焦点 F 且与该抛物线相交于 A、B两点其中点A在x轴上方若直线 l 的倾斜角为 60 则OAF 的面积为13己知正方形ABCD
10、 的边长为 1,点 E 是 AB 边上的动点则DE CB 的值为14已知23,()22xfxm xmxmg x,若同时满足条件:,()0 xf xR或()0g x;,4,()()0 xf x g x则m的取值范围是三、解答题公6 小题,共 80 分解答应写出文字说明,演算步骤或证明过程15已知函数sincossin2()sinxxxf xx.(1)求 fx 的定义域及最小正周期;(2)求 fx 的单调递增区间16如图 1,在 Rt ABC 中,90C,3,6BCAC,,D E分别是,AC AB上 的点,且 DE,2BC DE,将ADE 沿 DE 折起 到1A DE 的 位置,使1A CCD,如
11、图 2(1)求证:1AC 平面 BCDE;文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L
12、6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD
13、8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L
14、6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD
15、8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L
16、6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD
17、8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6word(2)若 M 是1A D 的中点,求 CM 与平面1A BE 所成角的大小;(3)线段 BC上是否存在点 P,使平面1A DP 与平面1ABE 垂直?说明理由17近年来,某市为促进生活垃圾的分类处理,将生活垃圾分为厨余垃圾、可回收物和其他垃圾三类,并分别设置了相应的垃圾箱,为调查居民生活垃圾分类投放情况,先随
18、机抽取了该市三类垃圾箱总计1000吨生活垃圾,数据统计如下(单位:吨);“厨余垃圾”箱“可回收物”箱“其他垃圾”箱厨余垃圾400100100可回收物3024030其他垃圾202060(1)试估计厨余垃圾投放正确的概率;(2)试估计生活垃圾投放错误的概率;(3)假设厨余垃圾在“厨余垃圾”箱、“可回收物”箱、“其他垃圾”箱的投放量分别为,a b c,其中0,600aabc当数据,a b c的方差2s 最大时,写出,a b c 的值(结论不要求证明),并求此时2s 的值(求:2222121nSxxxxxxn,其中x为数据12,nx xx 的平均数)文档编码:CK7K3M3M5U3 HD8H9F2M5
19、P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:C
20、K7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5
21、P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:C
22、K7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5
23、P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:C
24、K7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5
25、P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6word 18已知函数23()10,f xaxag xxbx.(1)若曲线 yfx 与曲线 yg x 在它们的交点1,c 处具有公共切线,求,a b的值;(2)当24ab时,求函数 fxg x 的单调区间,并求其在区间,1 上的最大值文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K
26、3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7
27、ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K
28、3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7
29、ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K
30、3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7
31、ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K
32、3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6word 19已知曲线22:528Cm xmymR(1)若曲线 C 是焦点在x轴点上的椭圆,求m的取值范围;(2)设4m,曲线 C 与y轴的交点为,A B(点 A 位于点 B 的上方),直线4ykx与曲线 C 交于不同的两点,M N,直线1y与直线 BM 交于点 G 求证:,A G N 三点共线文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文
33、档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H
34、9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文
35、档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H
36、9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文
37、档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H
38、9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6w
39、ord 20设 A 是由 mn 个实数组成的 m 行 n 列的数表,满足:每个数的绝对值不大于 1,且所有数的和为零,记s(m,n)为所有这样的数表构成的集合对于AS(m,n),记 ri(A)为 A 的第行各数之和(1m),Cj(A)为 A 的第 j 列各数之和(1jn);记 K(A)为|r1(A)|,|R2(A)|,|Rm(A)|,|C1(A)|,|C2(A)|,|Cn(A)|中的最小值(1)如表 A,求 K(A)的值;110.80.10.31(2)设数表 AS(2,3)形如11cab1求 K(A)的最大值;(3)给定正整数 t,对于所有的 AS(2,2t+1),求 K(A)的最大值文档编码
40、:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2
41、M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码
42、:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2
43、M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码
44、:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2
45、M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码
46、:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6word 2012 年北京市高考数学试卷(理科)参考答案与试题解析一、选择题共8 小题每小题 5 分.共 40 分.在每小题列出的四个选项中,选出符合胜目要求的一项.1(2012?北京)已知集合A=xR|3x+20,B=xR|(x+1)(x3)0,则 AB=()A(,1)B(1,)C,3D(3,+)【分析】求出集合 B,然后直接求解 AB【解答】解:因为 B=xR|
47、(x+1)(x3)0=x|x1 或 x3,又集合 A=xR|3x+20=x|x,所以 AB=x|x x|x1 或 x3=x|x3,故选:D2(2012?北京)设不等式组,表示的平面区域为D,在区域 D 内随机取一个点,则此点到坐标原点的距离大于2 的概率是()ABCD【分析】本题属于几何概型,利用“测度”求概率,本例的测度即为区域的面积,故只要求出题中两个区域:由不等式组表示的区域和到原点的距离大于2 的点构成的区域的面积后再求它们的比值即可【解答】解:其构成的区域 D 如图所示的边长为 2 的正方形,面积为S1=4,满足到原点的距离大于2 所表示的平面区域是以原点为圆心,以 2 为半径的圆外
48、部,面积为=4,在区域 D 内随机取一个点,则此点到坐标原点的距离大于2 的概率 P=故选:D文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M
49、5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F
50、8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M5U3 HD8H9F2M5P7 ZF2F8L9T1L6文档编码:CK7K3M3M