第一篇:2015-2016学年第一学期红山区数学期末测试题
2015-2016学年第一学期红山区七年级学习评价
一、选择题(本大题共8小题,每小题3分,共24分)1.-5的相反数是()A.1B.15
C.5
D.-5 2.下列图形中正确的表示数轴的是()
A
B
C
D 3.多项式a2b2的二次项系数是()
A.2
B.-2
C.1
D.-1 4.如图,在直线上顺次取A、B、C、D四点,则下列表示不正确的是()
A.AC=AB+BC
B.AD=AC+CD C.CD=BD-BC
D.AB=AD-CD
5.下列说法:①若x2,则x2;②1是单项式,且它的次数为1;③在直线、射线中,射线比直线短;④对于有理数m、a、b,若ma=mb,则a=b.其中正确的是()A.①②
B.①④
C.③④
D.① 6.某商品提价25%后,欲恢复原价,则应降价()
A.15%
B.25%
C.20%
D.50% 7.下列四个图中,是三棱锥的表面展开图的是()
A
B
C
D 8.若m1x2m1x80是关于x的一次方程,则m的取值为()A.1
B.-1
C.
1D.m1的全体有理数
二、填空题(本大题共8个小题,每小题3分,共24分)
9.据统计,赤峰市红山区常住人口约为430000人,将430000用科学记数法表示为。10.①比较大小:-3-2
②54.454';
③已知13518',则1的余角是.11.化简:-(-6)=;3;25。
12.如右图所示,图中有条线段.13.四棱柱有个面,这些面相交形成了条棱,这些棱相交形成了点。
14.X=2是方程2x-3=n-12x的解,则2n+6=。
15.如果多项式13xm1y2x2是三次二项式,则m=。
16.已知方程xabbxa2ab0是关于x的一元一次方程,则a,b之间的关系是。
三、解答题(本大题共10个小题,满分102分,解答时应写出必要的文字说明、证明过程或验算步骤)17.(本题满分8分)计算:
(1)(-9)x(-8)÷3-25
(2)36233423
18.(本题满分10分)解下列方程:
(1)3x6x3
(2)
x1213x16
19.(本题满分6分)列式计算下列问题:
一天,小红与小丽利用温差测量山的高度,小红在山顶测得温度是-4℃,小丽此时在山脚测得温度是6℃.已知该地区高度每增加100米,气温大约降低0.8℃,这个山峰的高度大约是多少米?
20.(本题满分10分)先化简,再求值。
3x22xy3x222xyy234y2,,其中x123,y3
21.(本题满分10分)列一元一次方程解决实际问题
整理一批数据,同一个人做需80小时完成,现在计划先安排一些人做2小时,在增加5人做8小时,完成这项工作的34。假设这些人的工作效率相同,那么计划先安排多少人工作2小时?
22.(本题满分10分)
如图,O是直线AB上一点,OC为任一条射线,OD平分BOC,OE平分AOC.(1)填空:AOC的补角是,BOD的补角是,(2)设BOC68,求COD和AOE的度数;
(3)写出COD与EOC的数量关系,并说明理由。
23.(本题满分10分)
小明每天早晨要在7:50之前赶到距家1000米的学校上学,一天,小明以80米/分钟的速度出发,5分钟后,小明的爸爸发现他忘了带语文书。于是爸爸立即以180米/分钟的速度去追小明,并且在途中追上了他。
(1)爸爸追上小明用了多长时间?
(2)小明被追上时,距离学校还有多少米?
24.(本题满分12分)
将连续的奇数1,3,5,7,9……排成如下图所示的数表。(1)写出十字形框中的五个数之和与中间数15的关系;
(2)设中间数为a,请试用含a的代数式表示十字框中五个数之和;(3)若将十字形框上下左右移动,可框住另外五个数。
①当a为何值时,这五个数之和等于2015?
②这五个数的和可能是1955吗?如果可能,求出a值;如果不可能,说明理由。
25.(本题满分12分)
已知线段AB=12cm,直线AB上有一点C,且BC=6cm,D是线段AC的中点,求线段AD的长。
26.(本题满分14分)
某地上网有两种收费方式,用户可以任选其一.方式一计时制:2.8元/小时;方式二包月制:60元/月。此外,每种上网方式都加通讯费1.2元/小时。
(1)某用户每月上网20小时,选用那种上网方式比较合算?
(2)某用户每月有120元钱用于上网,选用哪种上网方式比较合算?
(3)请你为用户设计一个方案,使用户能合理地选择上网方式。
第二篇:2011—2012学第一学期六年级期末测试题
2011—2012学第一学期六年级期末测试题
一、想一想,我会填。(每空1.5分,共30分。)
1、发动第二次鸦片战争的借口是________________和________________。
2、甲午战争中,全军覆灭。1895年,日本政府迫使清政府签订了丧权辱国的《》,大大加深了中国人民的灾难。在甲午战争中中国失败的根本原因是。3、1911年,在中国大地上爆发了一场对中国历史进程产生重大影响的革命。这就是以先生为代表的革命党人领导的。1912年1月1日,他在南京宣誓就职,宣告成立。
4、我国的根本制度是制度,我国的根本制止制度是制度,在我国,国家权力属于,人民行使国家权力的机关是和地方各级人民代表大会。
5、无论是村民委员会还是城市居民委员会都是我国制度的重要组成部分。
6、圆明园是举世闻名的,可这样一座世界级的园林,却毁在了侵略者的暴行之中。
7、中国第一个农村革命根据地是,中国工农红军地意志坚强的军队是。
8、“十一”长假是我国的法定节假日,规定十一长假依据的历史事件是。9、1949年4月23日,人民解放军突破防线,占领,宣告蒋家王朝的覆灭,中国人民获得了解放。
二、我是小法官。(每空1分,共10分。)
1、鸦片输入中国是合法经营,双方买卖公平,不会给中国造成危害。2、1840年5月,侵略者入侵广州后,广州三元里人民自发地组织起来,将侵略军打得狼狈逃串,跪地求饶。
3、我国政府从1997年7月1日起,恢复对香港行使主权。
4、《马关条约》使中国的半殖民地化大大加深了。
5、黄海战役后,由于清政府采取妥协退让的政策,在军事上消极防守,才使驻守在威海卫军港的中国北洋舰队全军覆灭。
6、我们作为国家的小主人,祖国未来的建设者,享有宪法和法律规定的所有权利。
7、到本世纪的50年代,我国将实现全面建设小康社会的目标。
8、中共一大召开的地点显示上海,后来在浙江。
9、辛亥革命有成功的一面,也有失败的一面。
10、人民代表大会制度是我国人民当家做主的真正体现。
三、对号入座。(每题2分,共20分。)
1、“苟利国家生死以,岂因祸福避趋之。”这句话是说的。A、孙中山 B、林则徐 C、丁汝昌
2、中国历史上第一个不平等的条约是。A、《南京条约》
B、《天津条约》C、《北京条约》
3、八国联军发动侵华战争,迫使清政府签订了丧权辱国的。A、《天津条约》B、《北京条约》C、《辛丑条约》 4、1905年8月,孙中山在日本东京成立了全国性的唯一的资产阶级革命政党是。A、兴中会 B、中国同盟会 C、华兴会
5、这里是中国近代最早被迫开放的通商口岸之一,也是中国共产党的诞生地,2010年这里有举办了世博会,成为展示各国科技成果和民族文化的舞台。“这里”是指。A、武汉
B、南京
C、上海
6、戊戌变法时期成立的京师大学堂是的前身。A、北京师范大学
B、北京大学
C、清华大学
7、为纪念中国人民军队的诞生,被确定为中国人民解放军建军节。A、5月4日
B、7月1日
C、8月1日 8、2011年11月,在酒泉卫星发射中心发射成功。A、神舟七号
B、神州八号 C、神舟九号
9、挽救了党,挽救了红军,成为党的历史上生死攸关的转折点的是。A、中共七大
B、遵义会议
C、中共八大
10、以下属于抗日战争时期战役的是。
A、平津战役
B、淮海战役
C、台儿庄战役
四、材料分析题、列举题。(共40分)
1、(8分)
(1)、鸦片俗称________________,有罂粟果汁提炼而成,是一种________________。(2分)(2)、鸦片对人的危害有哪些?(4分)
(3)、请你以此为主题写一则公益广告。(2分)
2、(7分)
(1)、左图是________________(2分)
(2)、这场浩劫发生在________________战争中。(2分)(3)、请你说一说自己的感受。(3分)
3、新中国成立60多年来,取得了许多举世瞩目的伟大成就,请你列举近几年我国取得的成就。(不少于三个方面)(6分)4、4、2002年11月,党的十六大确立了全面建设小康社会的奋斗目标,请你列举小康社会的六个更加分别是什么?(6分)
5、列举出解放战争中的三大战役。(3分)
6、人民英雄纪念碑碑文中写道:三年以来,在人民解放战争和人民革命中牺牲的人民英雄
们永垂不朽!三十年以来,在人民解放战争和人民革命中牺牲的人民英雄们永垂不朽!由此上溯到一千八百四十年,从那时起,为了反对内外敌人,争取民族独立和人民自由幸福,在历次斗争中牺牲的人民英雄们永垂不朽!(1)、人民英雄纪念碑碑文“三年以来”指的是什么事件?(2分)
(2)、“三十年以来”指的是哪一年的什么事件为开端的。(3分)
(3)、“由此上溯到一千八百四十年,从那时起”那时指的是什么事件?((4)(4)、试列举中国近代列强发动的侵略战争。(至少三个)(3分)
2分)
第三篇:深圳市2012-2013学第一学期期末测试题A
深圳市2012-2013学第一学期期末测试题
七年级英语(上海教育出版社)时间:90分钟
学校:班级:学号:姓名:
一、单项选择(15分)从从下面每小题的A.B.C.D四个选项中选出可以替换划线部分的最佳选项。1.I get up early every morning and I’mA.oftenB.alwaysC.not oftenD.sometimes 2.She doesn’tA.use;forB.take;toC.cost;forD.offer;to 3.We can’t liveA.with airB.have no airC.if there is no airD.by air 4.People come from everywhere to celebrate the victory.A.every placeB.each thingC.some placesD.no placesA.go toB.go away fromC.arriveD.set from 从下面每小题的A.B.C.D四个选项中选出可以填入空白处的最佳选项。6.She bought a digital camera online________she would save a lot of time.A.so thatB.as soon asC.no matterD.such that 7.Which do you enjoy________your weekends,fishing or watching TV?A.spendingB.to spendC.being spentD.spend 8.There is_______packet of sugar on ______table.A.a;/B.a;theC.the;/D.the;a 9.Susan is good________Chinese.And she likes_______music.A.in;listenB.in;listeningC.at;listening toD.at;listen 10.There is______on the table.A.a bowl and two cups of teaB.two cups of tea and a bowlC.two cups of teaD.cups of tea 11.--_______do you sleep every night?---More than 7 hours.A.How oftenB.How manyC.How muchD.How long 12.______are good friends.A.Lily,you and IB.You;Lily and meC.You;Lily and ID.I;You and Lily 13.I______a mistake.Please don’t be angry with me.A.makeB.madeC.will makeD.had made 14.Excuse me.________you_______a crayon?A.Are;thereB.Do;haveC.Are;haveD.Is;there 15.Let’s _______waste time.There is going to be the final exam in two weeks.A.don’tB.not toC.notD.don’t to
二、完形填空(10分)His neighbor Cathy is a kind girl.She has many friends.She finds the boy never talks with anybody and One afternoon, Cathy told David, “It'll be my sixteenth birthday tomorrow.I'll have a birthday party.Would
you like to come?”
“__ and asked, “What's the matter, dear?”
“What would you like if it was your sixteenth birthday, Mom?”
“Nothing,“ the woman said, ”I just wish I were sixteen.”
()1.A.townB.cityC.villageD.country
D.opening
D.little
D.he
D.likes
D.Certainly
D.pen
D.address()2.A.openB.opens()3.A.homeB.shop()4.A.a few()6.A.enjoy()7.A.WellB.few()5.A.himselfB.himB.enjoysB.NoC.openedC.a littleC.his C.likeC.buildingD.family C.SorryC.present C.place()8.A.bookB.dress()9.A.forgotB.forget()10.A.home
三、阅读理解(40分)B.numberC.rememberD.remembered
A
Many students in China are learning English.Some of these students are small
children.Others are teenagers(十几岁的青少年).Many are adults.Some learn at school, others study by
themselves.A few learn English language(语言)over the radio, on television, or in films.One must work hard to learn another language.Why do all these people want to learn English? It is difficult to answer that question.Many boys and girls learn English at school because it is one of their subjects.They study their own language and maths and English...Some people learn English because it is useful for their work.Many people often learn English for their higher studies, because at college or university(大学)some of their books are in English.Other people learn English because they want to read newspaper and magazines in English.()21.Many students in China are learning English, aren't they? ____.A.No, they aren'tB.No, they are
C.Yes, they areD.Yes, they aren't)22.If one wants to learn another language well, he must ____.A.learn at schoolB.study by himself
C.work hardD.study hard)23.The sentence “It is difficult to answer that question” means ____.A.that question is not difficult to answer
B.that question is difficult to answer it
C.it is difficultly to answer that question
D.it is hard to answer that question)24.“Their own language” means ____.A.ChineseB.EnglishC.FrenchD.Japanese)25.What's the Chinese of “study by themselves”?
A.和他们一起学习B.自学
C.向他们学习D.通过学习
B
((((Once upon a time, there lived a rich man.He had a servant(仆人).He and the servant loved wine and good food very much.Each time the rich man left his home, the servant would drink the wine and eat up all the nice food in the house.The rich man knew what his servant did, but he had never caught his servant doing that.One morning, when he left home, he said to the servant, “Here are two bottles of poison(毒药)and some nice food in the house.You must take of them.” With these words, he went out.But the servant knew that the rich man had said was untrue.After the rich man was away from his home, he enjoyed a nice meal.Because he drank too much, he was drunk and fell to the ground.When the rich man came back, he couldn’t find his food and his wine.He became very angry.He woke the servant up.But the servant told his story very well.He said a cat had eaten up everything.He was afraid to be punished(惩罚), so he drank the poison to kill himself.()26.In the story, _______ liked wine and good food very much.A.the rich manB.the servantC.both A and BD.neither A and B
()27.The rich man knew that it was _______ that drank the wine and ate up all the nice food.A.the catB.himselfC.nobodyD.the servant
()28.The rich told the servant that there was poison in the two bottles, because ________.A.there was in fact poison in the bottles
B.did not want the servant to drink his wine
C.he wanted to kill the cat
D.he wanted to kill the servant
()29.In fact, _______ ate all the nice food and drank the wine.A.the servantB.catC.the rich manD.nobody
()30.From the story, we know that the servant is very _______.A.lazyB.badC.cleverD.kind
C
Everyone likes living in a clean and comfortable environment.If the environment(环境)are bad, it will affect(影响)our body, and make us not feel well.Sometimes we may be terribly ill.At that time we don’t want to work, and we have to stay in bed and rest at home.So the environment is very important to us.It’s germs that makes us ill.There are germs everywhere, They are very small and you can’t find them with your own eyes, but you can see them with a microscope(显微镜)They are very small and there may be hundreds of them on a very small thing, Germs can always be found in dirty water.When we look at dirty water under the microscope, we shall see them in it.Germs can also be found in air and dust(灰尘).If you cut your finger, some of the dust from the floor may go into it, and you will have much pain in it.Sometimes the germs will go into all of your body, and you will have pain everywhere.To keep us healthy, we should try to our best to make our environment become cleaner and tidier.This needs us to act together.31.The writer tell us that________.A.we like working when we are ill
B.germs can’t live in the water.C.we can’t feel ill if the environment is bad.D.we feel well when the environment is good.32.Germs are________.A.very small things that you can’t see with your eyes.B.the things that don’t effect people.C.the things that you can find with your eyes.D.the things that are very big.33.Where can germs be found? They can be found_________.A.on the small thingB.in air and dust
C.only in dirty waterD.everywhere
34.How will you feel if germs go into the finger that is cut?
A.I will feel nothing.B.I won’t mind.C.I will feel tense.D.I will feel painful.35.From the passage we know that________.A.environment doesn’t affect our life
B.we don’t need to improve our environment
C.germs may make us ill
D.if the environment is better, germs will be more.D
If you go into the forest with friends, stay with them.If you don’t, you may get lost.If you do get lost, this is what you should do.Sit down and stay where you are.Don’t try to find your friends.Let them find you.You can help them to find you by stay in one place.There is anther way to help your friends or other people to find you.Give them a signal(信号)outing or whistling(吹口哨)three times.Stop.Then shout or whistle three times again.Any signal given three times is a call for help.Keep on shouting or whistling, always three times together.When people hear you, they will give two shouts or two whistles.When a signal is given twice, it is an answer to a call for help.If you don’t think that you will get help before night comes, try to make a small room with branches.(树枝)What should you do if you get hungry or need drinking water ? You would have to leave your little branch room to look for something to eat and drink.Don’t just walk away.Pick up small brunches and drop them as you walk so that you can find your way back.The most important thing to do when you are lost---stay in one place.根据文章判断正(T)、误(F)
()36.If you get lost in the forest, you should walk everywhere to find your friends as soon as possible.(尽快)
()37.You can keep on shouting or whistling always three times together for help.()38.When you hear two shouts or whistles, you know that people will come to help you.()39.You can’t go anywhere even when you feel thirsty(口渴的)or hungry.()40.You can find your way back to your branch room easily without leaving any branches as you walk.四、用所给单词适当形式填空(10分)
1.In______(day)life,I am kind to people around me.2.My father_______(take)exercise every day.3.The sun_______(rise)in the east every day.4.I want three________(glass)of juice,please.5.Even as the sun was shining________(bright),it began to rain.6.It’s ________(excite)to find out the answer.7.The Basketball Club will teach you how_________(play)basketball.8.These boys ran so fast and they soon___________(appear)
9.Miss White teaches_________(we)English at school,and my father teaches_______(I)at home.A:Excuse me.____1___
B:Of course.Walk along Yanggao Road.You will find the park on your right.A:___2__
B:I think it’s about twenty minutes’ walk.A:____3__
B.Yes,but you can take a bus there.A:____4___
B:No.788 bus.____5___
A:Thank you very much.B:It’s my pleasure.1._________ 2._________ 3._________ 4._________5._________
A:Hello!May I speak to Tom?
B:yes,this is Tom speaking.Who’s that?
A:This is Jason.What are you going to do tomorrow?
B:I have no______.Do you have any plans?
A:I’m going to ________Guangzhou Tower.Will you come with me?
B:It sounds_______.When are you going to set off?
A:At6:00am
B:How do you|_____there?
A:By bus.Shall we ______at the gate of Guangzhou Tower?
B:Yes.See you then.A:See you then.1._________2.________3.________4._________5.________
五、书面表达(15分)
根据英文提示,以“I like the Internet”为题,写一篇100词左右的短文,短文开头已给出,所给英文提示词语也必须全部用上。
1.an important part, in our daily life, useful
2.search, download(下载)information
3.read English Weekly, with … help, practice
4.send e-mails, make telephone calls
5.buy, online, interesting, colorful
I like the Internet
__________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
第四篇:2013—2014学六年级数学第一学期期末测试题(青岛教育版)
2013—2014学六年级数学第一学期期末测试题(青岛教育版)
一、认真思考,谨慎填空。(每空1分,共15分)
1.()比20米多20%,3吨比()千克少40%。2.9 ÷()= 0.75 =()︰24 =()% 3.有10吨媒,第一次用去15,第二次用去1
吨,还剩下()吨媒。4.0.75︰9
化成最简整数比是(),比值是()。5.37、46%和0.45按从大到小的顺序排列起来应为()。6.用圆规画一个周长为18.84厘米的圆,圆规两脚间的距离应取()厘米,所画圆的面积是()平方厘米。
7.在括号里填上“〉”“〈”或“=”。
15×34()15÷43755744448×6()6÷89+9()9×98.六(1)班今天出勤48人,有2人因病请假,今天六(1)班学生的出勤率是()。
二、仔细推敲,正确判断。(正确的在括号内打“√”,错的打“×”)。(10分)1.一个数乘以分数的意义与整数乘法的意义不同。()2.甲数和乙数的比是4︰5,那么乙数比甲数多25%。()3.因为
35= 60%,所以3
米 = 60%米。()4.一个数除以分数的商不一定比原数大。()
5.加工97个零件全部合格,合格率是97%。()
三、反复比较,果断选择。(把正确答案的字母填在括号里)(10分)1.周长相等时,()的面积最大。
① 圆② 长方形③ 正方形 2.把30%的百分号去掉,原来的数就()。
① 扩大100倍② 缩小100倍③ 不变
3.37米,第二段占全长的3,两段相比()。
A.第一段长B.第二段长C.一样长D.无法确定4.x、y、z是三个非零自然数,且x×
65= y×810
7= z×9,那么x、y、z按照从大到小的顺序排列应是()。① x﹥y﹥z② z﹥y﹥x③ y﹥x﹥z④ y﹥z﹥x5、要剪一个面积是12.56平方厘米的圆形纸片,至少需要面积是()平方厘米的正方形纸片。A.12.56B.14C.16D.20
四、注意审题,细心计算(共30分)1.直接写出得数:(每小题1分,共6分)2147711117×2=19÷19=12+ 2=4×(12+4)=1÷37.5%=(4-15)×20 =
2.计算,能简算的要简算:(每小题3分,共12分)
56÷573818
13311112+15×717÷ 9+9×17(2-8)÷48÷(1-2-4)
3、解方程(每小题3分,共12分)
X27X=114X÷18 =15×2340%X-14 =7
123.5-40%x=2.7
五、运用知识,解决问题(每小题7分。共30分)1.王叔叔家养鸡20只,养的鸭比鸡多3
5,鸭比鸡多多少只?
2、小明看一本故事书,第一天看了全书的1
4,第二天比第一天多看2页,还剩20页没看,这本书一共有多少页?
3、歌厅有一个圆形表演台,周长43.96米。现在半径加宽1米,比原来的面积增加多少?
4、两个车间共有150人,如果从外地调入50人到第一车间,这时一车间的人数是二车间的2
3,二车间原来有多少人?
5、修一条公路,甲队修了全长的1
3,乙队和丙队修路的比是3:5,已知甲队比乙队多修24米,这条公
路全长多少米?
第五篇:2013—2014学青岛版六年级数学第一学期期末测试题
2013—2014学六年级数学第一学期期末测试题(青岛教育版)
一、认真思考,谨慎填空。(每空1分,共15分)
1.()比20米多20%,3吨比()千克少40%。2.9 ÷()= 0.75 =()︰24 =()% 3.有10吨媒,第一次用去4.0.75︰5.11***
÷+×÷ 9+×(-)÷÷(1--)612***824
11,第二次用去吨,还剩下()吨媒。553、解方程(每小题3分,共12分)
211217
XX=X÷ =15×40%X-=3.5-40%x=2.7 71483412
五、运用知识,解决问题(每小题7分。共30分)1.王叔叔家养鸡20只,养的鸭比鸡多
2、小明看一本故事书,第一天看了全书的共有多少页?
3、歌厅有一个圆形表演台,周长43.96米。现在半径加宽1米,比原来的面积增加多少?
X kB 1.c o m4、两个车间共有150人,如果从外地调入50人到第一车间,这时一车间的人数是二车间的间原来有多少人?
化成最简整数比是(),比值是()。163、46%和0.45按从大到小的顺序排列起来应为()。7
6.用圆规画一个周长为18.84厘米的圆,圆规两脚间的距离应取()厘米,所画圆的面积是()平方厘米。
7.在括号里填上“〉”“〈”或“=”。xK b1.C om
***4×()÷×()÷+()×545386689999
3,鸭比鸡多多少只?5
8.六(1)班今天出勤48人,有2人因病请假,今天六(1)班学生的出勤率是()。
二、仔细推敲,正确判断。(正确的在括号内打“√”,错的打“×”)。(10分)1.一个数乘以分数的意义与整数乘法的意义不同。()2.甲数和乙数的比是4︰5,那么乙数比甲数多25%。()3.因为,第二天比第一天多看2页,还剩20页没看,这本书一4
= 60%,所以米 = 60%米。()55
4.一个数除以分数的商不一定比原数大。()
5.加工97个零件全部合格,合格率是97%。()
三、反复比较,果断选择。(把正确答案的字母填在括号里)(10分)1.周长相等时,()的面积最大。wWw.xK b 1.c o M① 圆② 长方形③ 正方形 2.把30%的百分号去掉,原来的数就()。
① 扩大100倍② 缩小100倍③ 不变
3.米,第二段占全长的,两段相比()。
77A.第一段长B.第二段长C.一样长D.无法确定4.x、y、z是三个非零自然数,且x×,二车3
应是()。① x﹥y﹥z② z﹥y﹥x③ y﹥x﹥z④ y﹥z﹥x15、要剪一个面积是12.56平方厘米的圆形纸片,至少需要面积是()平方厘米的正方形纸片。
5、修一条公路,甲队修了全长的,乙队和丙队修路的比是3:5,已知甲队比乙队多修24米,这条公
A.12.56B.14C.16D.20
3四、注意审题,细心计算(共30分)1.直接写出得数:(每小题1分,共6分)路全长多少米? 2147711111 ×2=÷=+ =4×(+)=1÷37.5%=(-)×20 =
6810
= y×= z×,那么x、y、z按照从大到小的顺序排列579
7191912212445
新课标第一网系列资料
2.计算,能简算的要简算:(每小题3分,共12分)
由莲山课件提供http:///资源全部免费