2013年初一上册数学期末试卷(浙教版含答案).pdf

2013 年初一上册数学期末试卷(浙教版含答案)来 2014年初一上册数学期末试卷一、（共 8 个小题，每小题3 分，共 24 分）下列各题均有四个选项，其中只有一个是符合题意的.1.5 的绝对值是A5 B 5 C15 D 15 2.十八大报告指出：“建设生态文明，是关系人民福祉、关乎民族未来的长远大计”，这些年党和政府在生态文明的发展进程上持续推进，在“十一五”期间，中国减少二氧化碳排放 1 460 000 000 吨，赢得国际社会广泛赞誉.将 1 460 000 000 用科学记数法表示为A146107 B 1.46 107 C1.46 109 D1.46 1010 3.下面四个立体图形，从正面、左面、上面观察都不可能看到长方形的是A B C D 4.把弯曲的河道改直，能够缩短船舶航行的路程，这样做的道理是 A垂线段最短 B 两点确定一条直线C两点之间，直线最短 D两点之间，线段最短5.已知代数式和 是同类项，则的值是A1 B 1 C 2 D 3 6.如图所示，将一块直角三角板的直角顶点O 放在直尺的一边 CD上，如果 AOC 28，那么 BOD等于A72 B62C52 D287.某商场把一个双肩背书包按进价提高50%标价，然后再按八折出售，这样商场每卖出一个书包就可赢利8 元.设每个双肩背书包的进价是x 元，根据题意列一元一次方程，正确的是A BC D8.按下面的程序计算：当输入时，输出结果是299；当输入时，输出结果是466；如果输入的值是正整数，输出结果是257，那么满足条件的的值最多有A1 个 B 2 个 C3 个 D4 个二、题（共7 个小题，每小题2 分，共 14 分）9.2 的倒数是文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F910.比较大小：11.如图，点 C是线段 AB的中点，AB=6c，如果点 D是线段AB上一点，且BD=1c，那么 CD=c 12.已知 2 是关于 x 的方程 2xa=1 的解，则 a=13.14.已知代数式的值是 2，则代数式的值是15.如图，两条直线相交只有1 个交点，三条直线相交最多有 3 个交点，四条直线相交最多有6 个交点，五条直线相交最多有10 个交点，六条直线相交最多有 个交点，二十条直线相交最多有个交点 1个交点 3 个交点 6 个交点 10 个交点三、解答题（共4 个小题，每小题4 分，共 16 分）16.计算：17.计算：18.计算：19.计算：X 四、解答题（共3 个小题，每小题5 分，共 15 分）20.解方程：21.解方程：文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F922.解方程：五、解答题（共4 个小题，第23 题 5 分，第 24 题 6 分，第25 题 5 分，第 26 题 8 分，共 24 分）23.已知，求代数式的值24.已知 OC是 AOB内部的一条射线，AOC 30，OE是COB的平分线（1）如图 1，当 COE 40时，求 AOB的度数；（2）当 OE OA时，请在图2 中画出射线OE，OB，并直接写出 AOB的度数 25.列方程解：据林业专家分析，树叶在光合作用后产生的分泌物能够吸附空气中的一些悬浮颗粒物，具有滞尘净化空气的作用已知一片银杏树叶一年的平均滞尘量比一片国槐树叶一年的平均滞尘量的2 倍少 4 毫克，如果11 片银杏树叶一年的平均滞尘量与20 片国槐树叶一年的平均滞尘量相同，那么一片国槐树叶一年的平均滞尘量是多少毫克？26.已知数轴上三点，O，N 对应的数分别为3，0，1，点P 为数轴上任意一点，其对应的数为x（1）如果点P 到点，点N 的距离相等，那么x 的值是_；（2）数轴上是否存在点P，使点 P 到点，点 N的距离之和是文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F95？若存在，请直接写出x 的值；若不存在，请说明理由（3）如果点 P 以每分钟3 个单位长度的速度从点O向左运动时，点和点N分别以每分钟1 个单位长度和每分钟4 个单位长度的速度也向左运动，且三点同时出发，那么几分钟时点 P 到点，点 N的距离相等？评分标准及参考答案一、（本题共 24 分，每小题3 分）题号 12345678 答案 ACCDBBAC 二、题（本题共21 分，每小题3 分）题号 9101112131415 答案231515190 三、解答题（共4 小题，每小题4 分，满分 16 分）16解：原式 2 分 3 分 4 分17解：原式 1 分 3 分文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9 4 分18解：原式 2 分 3 分 4 分19解：原式 2 分 3 分 4 分四、解答题（共3 个小题，每小题5 分，共 15 分）20解：2 分 4 分 X k b1.Co 是原方程的解5 分21解：2 分 3 分 4 分 是原方程的解5 分22解：1 分文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9 2 分 3 分 4 分 是原方程的解5 分五、解答题（共4 个小题，第23 题 5 分，第 24 题 6 分，第25 题 5 分，第 26 题 8 分，共 24 分）23解：原式 2 分 3 分当 时，原式 4 分 5 分24解：（1）OE是COB的平分线（已知），COB 2COE（角平分线定义）1 分 COE 40，COB 80 2 分 AOC 30，文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9 AOB AOC COB 110 3 分（2）如右图：5 分AOB 150 6 分25解：设一片国槐树叶一年的平均滞尘量为毫克，则一片银杏树叶一年的平均滞尘量为毫克根据题意列方程，得 1 分 3 分解这个方程，得 4 分答：一片国槐树叶一年的平均滞尘量为22 毫克5 分26解：（1）1 1 分（2）存在符合题意的点P，此时或 4 分（3）设运动分钟时，点P对应的数是，点对应的数是，点 N对应的数是当点和点N在点 P同侧时，因为PPN，所以点和点N重合，所以，解得，符合题意 6 分当点和点N在点 P两侧时，有两种情况情况 1：如果点在点N左侧，因为 PPN，所以，解得此时点对应的数是，点 N对应的数是，点在点 N右侧，不符合题意，舍去文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8J9B2F9文档编码:CG2X3Q4K7U4 HV4B8V2B4Y7 ZJ3I8