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北师大版七年级数学上册期末试卷汇编(文末下载)

  • 2026-11-03 15:45:05
北师大版七年级数学上册期末试卷汇编(文末下载)

北师大版七上数学微课+课件教案试卷

北师大版七年级数学上册知识点总结

北师大版七年级数学上册期末试卷1

班级:姓名:

一、选择题(本大题共10小题,每题3分,共30分)

1.已知a=255,b=344,c=533,d=622 ,那么a,b,c,d大小顺序为(  )

A.a<b<c<d< span="">B.a<b<d<c< span="">C.b<a<c<d< span="">D.a<d<b<c< span=""></d<b<c<></a<c<d<></b<d<c<></b<c<d<>

2.下列图形中,不是轴对称图形的是(  )

A.B.C.D.

3.如图,在△ABC中,AB=20cm,AC=12cm,点P从点B出发以每秒3cm速度向点A运动,点Q从点A同时出发以每秒2cm速度向点C运动,其中一个动点到达端点,另一个动点也随之停止,当△APQ是以PQ为底的等腰三角形时,运动的时间是()秒

A.2.5B.3C.3.5D.4

4.如图,两个较大正方形的面积分别为225、289,且中间夹的三角形是直角三角形,则字母A所代表的正方形的面积为(  )

A.4B.8C.16D.64

5.已知点C在线段AB上,则下列条件中,不能确定点C是线段AB中点的是(  )

A.AC=BCB.AB=2ACC.AC+BC=ABD.

6.将二次函数y=x2﹣2x+3化为y=(x﹣h)2+k的形式,结果为(  )

A.y=(x+1)2+4B.y=(x﹣1)2+4

C.y=(x+1)2+2D.y=(x﹣1)2+2

7.《九章算术》是我国古代数学名著,卷七“盈不足”中有题译文如下:今有人合伙买羊,每人出5钱,会差45钱;每人出7钱,会差3钱.问合伙人数、羊价各是多少?设合伙人数为人,所列方程正确的是(  )

A.B.C.D.

8.实数a、b在数轴上的位置如图所示,则化简|a-b|﹣a的结果为(  )

A.-2a+bB.bC.﹣2a﹣bD.﹣b

9.运行程序如图所示,规定:从“输入一个值x”到“结果是否>95”为一次程序操作,如果程序操作进行了三次才停止,那么x的取值范围是()

A.x≥11B.11≤x<23C.11<x≤23D.x≤23

10.下列等式变形正确的是(  )

A.若﹣3x=5,则x=

B.若,则2x+3(x﹣1)=1

C.若5x﹣6=2x+8,则5x+2x=8+6

D.若3(x+1)﹣2x=1,则3x+3﹣2x=1

二、填空题(本大题共6小题,每小题3分,共18分)

1.若,化简结果是________.

2.如图,将周长为8的△ABC沿BC方向向右平移1个单位得到△DEF,则四边形ABFD的周长为_____________.

3.已知AB//y轴,A点的坐标为(3,2),并且AB=5,则B的坐标为________.

4.同一温度的华氏度数y(℉)与摄氏度数x(℃)之间的函数解析式是y=x+32.若某一温度的摄氏度数值与华氏度数值恰好相等,则此温度的摄氏度数为________℃.

5.如图,在△ABC和△DEF中,点B、F、C、E在同一直线上,BF = CE,AC∥DF,请添加一个条件,使△ABC≌△DEF,这个添加的条件可以是________.(只需写一个,不添加辅助线)

6.已知一组从小到大排列的数据:2,5,x,y,2x,11的平均数与中位数都是7,则这组数据的众数是________.

三、解答题(本大题共6小题,共72分)

1.解方程组

(1)(2)

2.先化简,再求值

(1),其中;

(2),其中,.

3.如图,∠BAD=∠CAE=90°,AB=AD,AE=AC,AF⊥CB,垂足为F.

(1)求证:△ABC≌△ADE;

(2)求∠FAE的度数;

(3)求证:CD=2BF+DE.

4.如图,已知∠ACD=70°,∠ACB=60°,∠ABC=50°.试说明:AB∥CD.

5.“安全教育平台”是中国教育学会为方便学长和学生参与安全知识活动、接受安全提醒的一种应用软件.某校为了了解家长和学生参与“防溺水教育”的情况,在本校学生中随机抽取部分学生作调查,把收集的数据分为以下4类情形:A.仅学生自己参与;B.家长和学生一起参与;

C.仅家长自己参与;D.家长和学生都未参与.

请根据图中提供的信息,解答下列问题:

(1)在这次抽样调查中,共调查了________名学生;

(2)补全条形统计图,并在扇形统计图中计算C类所对应扇形的圆心角的度数;

(3)根据抽样调查结果,估计该校2000名学生中“家长和学生都未参与”的人数.

6.请根据图中提供的信息,回答下列问题.

(1)一个暖瓶与一个水杯分别是多少元?

(2)甲、乙两家商场同时出售同样的暖瓶和水杯,为了迎接新年,两家商场都在搞促销活动,甲商场规定:这两种商品都打九折;乙商场规定:买一个暖瓶赠送一个水杯.若某单位想要买4个暖瓶和15个水杯,请问选择哪家商场购买更合算,并说明理由.

参考答案

一、选择题(本大题共10小题,每题3分,共30分)

1、D

2、A

3、D

4、D

5、C

6、D

7、B

8、A

9、C

10、D

二、填空题(本大题共6小题,每小题3分,共18分)

1、或

2、10.

3、(3,7)或(3,-3)

4、-40

5、AC=DF(答案不唯一)

6、5

三、解答题(本大题共6小题,共72分)

1、(1);(2).

2、(1);20;(2)0;0;

3、(1)证明见解析;(2)∠FAE=135°;

4、证明略

5、(1)400;(2)补全条形图见解析;C类所对应扇形的圆心角的度数为54°;(3)该校2000名学生中“家长和学生都未参与”有100人.

6、(1)一个暖瓶30元,一个水杯8元;(2)到乙家商场购买更合算.

北师大版七年级数学上册期末试卷2

北师大版七年级数学上册期末试卷3

北师大版七年级数学上册期末试卷4

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  1. CONNECT:[ UseTime:0.000428s ] mysql:host=172.18.0.4;port=3306;dbname=www_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000595s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000360s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000403s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000589s ]
  6. SELECT * FROM `set` [ RunTime:0.000299s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000680s ]
  8. SELECT * FROM `article` WHERE `id` = 533591 LIMIT 1 [ RunTime:0.000442s ]
  9. UPDATE `article` SET `lasttime` = 1793708079 WHERE `id` = 533591 [ RunTime:0.001898s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000329s ]
  11. SELECT * FROM `article` WHERE `id` < 533591 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000476s ]
  12. SELECT * FROM `article` WHERE `id` > 533591 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000440s ]
  13. SELECT * FROM `article` WHERE `id` < 533591 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001043s ]
  14. SELECT * FROM `article` WHERE `id` < 533591 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000561s ]
  15. SELECT * FROM `article` WHERE `id` < 533591 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000758s ]
0.088393s