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1、1/5 2013-2014学年度第一学期七年级数学期中测试卷一 选择题（每小题 2 分，共 20 分）1下列各对数中，互为相反数的是:()A.2和2 B.）（和3)3(C.221和D.55 和2.下列式子：0,5,73,41,222xcababax中，整式的个数是:()A.6 B.5 C.4 D.3 3.一个数的平方和它的倒数相等，则这个数是:()A.1 B.1 C.1 D.1 和 0 4下列计算正确的是:A.4812B.945C.1091D.9325.数轴上点 A,B,C,D对应的有理数都是整数，若点A 对应有理数 a，点 B 对应有理数 b，且 b-2a=7,则数轴上原点应是:()DCBA
2、A.A 点B.B 点C.C 点D.D 点6若baba则,032122()A.61B.21C.6 D.817下列说法正确的是：()A.0,aaa则若B.0,0,0baba则若C是七次三项式式子124332yxxyD.mbmamba是有理数，则若,8方程 1-3y=7的解是：()A.21yB.21yC.2yD.2y9.一个多项式加上,3332322yxxxyyx得则这个多项式是：()A.x3+3xy2B.x3-3xy2C.x3-6x2y+3xy2 D.x3-6x2y-3x2y 2/5 二 填空（每小题 2 分，共 20 分）11绝对值不小于 1 而小于 3 的整数的和为；1235的倒数的绝对值是；
3、13若 a、b 互为相反数，c、d 互为倒数，则 2a+3cd+2b=；14用科学记数法表示：2007 应记为；15单项式322yx的系数是，次数是；16nmxyyxmn是同类项，则与若213213；17的值是的解，则是方程若kxkxkx5243；18如果 5x+3与2x+9是互为相反数，则x2 的值是；19每件 a 元的上衣先提价 10，再打九折以后出售的价格是元/件；20观察右图并填下表梯形个数1 2 3 n 图形周长5 a 8a 11a 三 计算（每小题 4 分，共 24 分）21）303232422）1318142023)31324852224)41855.257512525）mnnm
4、mnmnnm3624522226）)32(3)32(2abbaa 2a a 文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1
5、I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8
6、 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4
7、C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5
8、 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N1
9、0W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10
10、N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N13/5 四.解答题（每小题 6 分，共 18 分）27 先化简，再求值：224231325x
11、xyxyx。其中21,2 yx?,800631631.29则第三天看了多少页多少页？若完，该同学第三天看了第三天把剩下的全部看页，多页，第二天看了剩下的少了全书的页，一位同学第一天看一本小说共mm六 解答题30的值。求且若baccbaa32,21,021231在数轴上表示下列各数：0，4.2，213，2，+7，311，并用“”号连接32某市出租车的收费标准是：3千 M内(含 3 千 M)起步价为 12.5 元，3 千 M外每千 M收费为 2.4 元。某乘客坐出租车x 千 M，文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 H
12、P3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3
13、N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 Z
14、I3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W
15、6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1
16、文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:C
17、K1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3
18、M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N14/5(1)试用关于x的代数式分情况表示该乘客的付费。(2)如果该乘客坐了 10 千 M，应付费多少元？33我国股市交易中每卖一次需交0.75 的各种费用，某投资者以每股10 元的价格买入某股票a股，当该股票涨到12 元时全部卖出。(1)用式子表示投资者实际盈利多少？(2)若该投资者买入
19、 1000 股，则他盈利了多少元？34某地出租车收费标准是：起步价为4 元，可乘 3km，3km到 5km，每 km收费1.2 元；5km后，每 km收费 2 元，若某人乘坐了x（5x）km的路，请写出他支付的费用；若他支付的费用是10.4 元，你能算出他乘坐的路程吗？（注：km为千 M）35（8 分）已知mnnm,且4m,3n,求的值36、（8 分）已知：有理数m 所表示的点到点3 距离 4 个单位，a,b2()m n文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码
20、:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1
21、I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8
22、 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4
23、C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5
24、 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N1
25、0W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10
26、N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N15/5 互 为 相 反 数，且 都 不 为 零，c,d互 为 倒 数。求：mcdbaba)3(22的值第一课件网 系列资料第一课件网不用注册，免费下载！文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3
27、M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 H
28、P3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3
29、N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 Z
30、I3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W
31、6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1
32、文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1文档编码:CK1X1I3M2B8 HP3J4C3N9V5 ZI3N10W6N10N1