行行好啊!先化简,再求值(X平方-5X+6)/(3X平方-3X)*(1-3/(X+1))(1+2/(X-3)),其中X=

sfyfbg2022-10-04 11:39:541条回答

行行好啊!先化简,再求值(X平方-5X+6)/(3X平方-3X)*(1-3/(X+1))(1+2/(X-3)),其中X=根号3
行行好啊!兄弟们
先化简,再求值(X平方-5X+6)/(3X平方-3X)*(1-3/(X+1))(1+2/(X-3)),其中X=根号3

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注册真的好难 共回答了16个问题 | 采纳率87.5%
(X平方-5X+6)/(3X平方-3X)*(1-3/(X+1))(1+2/(X-3))
=(x-2)(x-3)/3x(x-1)*[(x-2)/(x+1)][(x-1)/(x-3)]
=(x-2)^2/[3x(x+1)]
=(x^2-4x+4)/(3x^2+3x)
=(3-4√3+4)/(3*3+3√3)
=(7-4√3)/(9+3√3)
=(33-19√3)/18
1年前

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跪求三年级语文下册(人教版)八单元作文怎么写300字各位大哥行行好吧给个答案我吧 10
八单元作文是写一篇神话故事或传说
idle_yb1年前2
21very 共回答了19个问题 | 采纳率100%
假如我会变,我要变成天使让在汶川大地震死去的人们复活……有一天,我来到汶川,看见了许多死去的人们,我便拿起魔棒挥一下,死去的人们马上复活了,复活的人们说:“啊!太感谢你了,让我们再次回到了人间.”我听了,心里可高兴了,对他们说:“不用谢,我要赶紧去救废墟里的人们了.”说完,我赶紧变小钻进废墟里,先救出还活的人们,再帮死去的人们复活.
等把所有在废墟里的人们救出来后,我再拿起魔棒挥了两下,废墟就被打扫得干干净净了,我再挥了三下魔棒,一栋栋结结实实的高楼大厦又重新站了起来.“啊!好美呀!”一个人走进新家惊讶地说.原来,新家装修得比原来更美了,而且还有应有尽有的家具.我从四周看了看,觉得还缺少什么,我想了一下终于知道缺少什么了,原来是缺少树木,我便挥了四下魔棒,四周马上出现了许多树木,不远处还有一个小公园,人们见了都高兴得欢呼起来.
我见了,心里美滋滋的,便飞走了,去救别的受灾地区的人们了.
假如我是善良女神
假如我是一位善良女神,我会让世界充满爱.我会让盲人们重新看到这美丽新世界,看到红的花,绿的草,看到他们从未看到的景象;我会让没有小伙伴的孩子变的快乐,我愿陪在他们的身边,与他们一起嬉戏、玩耍;我会让伤心的人们,变得快乐、幸福,让他们忘记昨天的悲伤,让他们对未来充满信心与希望.
我的邻居就是一位需要帮助的人.他的父亲去世了,只有他和母亲相依为命,母亲又得了重病.家庭的生活的重担,就压在了他那双稚嫩的肩膀上,他只能凭着打工挣钱,成天是早出晚归,才能勉强维持下去,他不能象别的孩子那样上学,玩耍.整天累得筋疲力尽,可是见到妈妈还要装出一副快乐的样子他多么希望妈妈的病快些好啊,自己也可以象同龄人那样生活……这孩子真可怜,如果我是善良女神,我会伸出援助之手,帮助他们母子俩.让他的妈妈快点好起来,让他和别的孩子一样幸福起来…..
假如我是一位善良女神,我会让这世界变的更加温馨,可爱.我会让所有的人都健康快乐地生活.让人间充满真、善、美!
数学与牧羊歌【速度些,行行好】太阳落山晚霞红,我把羊群赶回笼,一半进犬种,三分之一圈外闹,还有十二只围我转.请问羊群有几
数学与牧羊歌【速度些,行行好】
太阳落山晚霞红,我把羊群赶回笼,一半进犬种,三分之一圈外闹,还有十二只围我转.请问羊群有几只羊?
打太快写错字了:一半进犬种是一半进圈中
zfk19801年前2
疯子0003 共回答了27个问题 | 采纳率88.9%
1/2进圈
1/3圈外闹
剩下1-1/2-1/3=1/6有12只
所以一共12÷1/6=72只
一个物理题 急 大仙们行行好如图,质量为m=2kg的木块在水平恒力的作用下,从静止开始在水平地面上运动,该恒力作一段时间
一个物理题 急 大仙们行行好
如图,质量为m=2kg的木块在水平恒力的作用下,从静止开始在水平地面上运动,该恒力作一段时间后撤去,若木块与水平地面的摩擦因数为0.4,木块到最后通过的总位移为16m,所用总时间为4s, 求 恒力作用时木块的位移 恒力作用的时间?
是总位移16m,其中包括加速减速
我是与世无争的人1年前5
等闲丹怀 共回答了10个问题 | 采纳率90%
答案:8m,2s
设物体运动的最大速度是V
1.后来加速度:a=-μmg/m=-μg=-4m/s^2
2.后来时间:t2=-V/a=V/4
后来位移:x2=0-V^2/(2a)=V^2/8
3.原来的时间:t1=t-t2=4-(V/4)
原来的位移:x1=(V/2)t1=(V/2)*(4-(V/4))
4.由x=x1+x2
得:16=(V/2)*(4-(V/4))+V^2/8
解得:V=8m/s
5.原来的位移:x1=(V/2)*(4-(V/4))=8m
原来的时间:t1=4-(V/4)=2s
函数综合题大哥大姐们,行行好,(要有具体的过程)要是具体我就加分.2月15号要!
ouu0001年前2
haoo365 共回答了24个问题 | 采纳率75%
楼上的错了
(1)y1=2t ,y2=16-t
由于0
泥的多音字组词,每个读音两个词 求求了,马上交的 行行好吧
rr金百合1年前6
jackson601 共回答了17个问题 | 采纳率88.2%
泥淖 ní nào
雪泥鸿爪 xuě ní hóng zhǎo
泥泞 ní nìng
拖泥带水 tuō ní dài shuǐ
拘泥 jū nì
泥古 nì gǔ
大侠们行行好,救一下我这个英语菜鸟,帮我讲明一下答案和Grammar……
大侠们行行好,救一下我这个英语菜鸟,帮我讲明一下答案和Grammar……
1.The shoting centre is about 50 kilometers______Beijing.
A.south of B.in south of C.the south of D.southern of
2.It's based on the idea______ all people are created equal,______is accepted by most people.
A.that;that B.which;which C.which;when C.that;which
3.-Do you mind if I keep pets in this building?
-______.
A.I'd rather you didn't actualy B.Of course not.It's not allowed here.C.Great.I love pets.D.No,you can't
4.Studies show that people are more ______ to suffer from back problems if they always sit before computer screens for long hours.
A.likely B.possible C.probable D.sure
jiyongvip1年前2
寻苦小四 共回答了14个问题 | 采纳率92.9%
1.A south可以作副词 在这里只能换做to the south of 应该在北京以外的地方,才可能之间相隔距离
2.D 第一个是同位语 所以用that; 第二个是非限制性定语从句,指前边的那种观点
3.A 回答要表明是介意还是不介意.
4.A sb be likely to do sth 有可能做某事,加more表示更有可能
行行好,如果无做不出这道题目,又要挨打了!
行行好,如果无做不出这道题目,又要挨打了!
"IMO"是国际数学奥林匹克的缩写,把这三个字母写成三种不同的颜色,现在有五种不同的颜色,按上述要求可以写出( )种不同颜色搭配“IMO'?
4Hawaii1年前4
魄星 共回答了23个问题 | 采纳率73.9%
P(5,3)=5*4*3=60
英语翻译我等不及了(这是作业啊 ,大哥大姐行行好吧)文章内容:灯,闽中珠灯第一,玳瑁,琥珀,鱼鱵次之…………到 曾见元时
英语翻译
我等不及了(这是作业啊 ,大哥大姐行行好吧)
文章内容:灯,闽中珠灯第一,玳瑁,琥珀,鱼鱵次之…………到 曾见元时布灯,最奇,亦非时尚也.
xck9991年前1
lishiwanaa 共回答了17个问题 | 采纳率76.5%
网上找不到原文啊
这几句的翻译:灯里面,福建的珠灯第一,玳瑁灯、琥珀灯、鱼鳞灯差一等……曾经见过元代时候布置灯盏,最奇特,也不是当时的风尚.
大家行行好.1、动物园为猴山的猴买桃,这些桃如果每只猴分5个,还剩32个,如果其中10只小猴分4个,其余的猴分8本个,就
大家行行好.
1、动物园为猴山的猴买桃,这些桃如果每只猴分5个,还剩32个,如果其中10只小猴分4个,其余的猴分8本个,就正好分完.猴山上有猴几只?共买来多少只桃?
2、一只长方体玻璃缸,长4分米、宽5分米,里面的水深2.8分米.如果投入一块棱长为3分米的正方体铁块,缸里的水将溢出多少升?
黎世友1年前1
ss仔 共回答了13个问题 | 采纳率92.3%
一、设共有猴子X只,则:大猴有(X-10)只.立一元一次方程:8(X-10)+40=5X+32.解得:X=24(只).因此,共买来桃子152只.验算正确.
二、1分米=10cm,1升=1000ml,1ml=1立方cm.玻璃缸剩余容积为:40cm×50cm×2cm=4000立方cm.铁块体积为:30*30*30=27000立方cm.27000-4000=23000=23升.
大哥大姐行行好回答我的问题吧在等腰梯形ABCD中,AD‖BC,AD、BC的长度分别为a、b(a
aa茶叶1年前3
pengyangas 共回答了12个问题 | 采纳率100%
可以,你先设梯形的高为c,被EF截断后下面梯形的高为d,这样,用c和d表示出两个小梯形的面积,让他们相等,然后得出c和d的比,这样由这个比值用平行定理,可由a,b算出EF的长度
求一篇500字的作文 《感谢老师》 帅哥 美女们 行行好 帮帮忙
鬼娃草根1年前2
saramony 共回答了1个问题 | 采纳率
百度吧还是
论语十则的话题作文以论语十则为题的话题作文急.要600字的大哥们行行好吧.
风轻语221年前1
lhf19790523 共回答了22个问题 | 采纳率90.9%
《(论语)十则是二千多年前的伟大教育家,也是儒家学派的创始人——孔子和他的弟子的一篇语录.这其中给我感受最深的两则是:“三人行,必有我师焉”、“知之为知之,不知为不知,是知也.”.前一则是说几个人在一起行走,那么他们之中必定有人是我的老师;后一则告诉我们要实事求是,学习也是同样的道理,要以诚实为先,知道就是知道,不知道就是不知道,这才是真正的智慧.这两句话虽然出自二千年前的孔子之口,但在今天,是同样具有教育意义.
“三人行,必有我师焉”,这句话包含着一个道理:能者为师.在我们的日常生活中,每天都要接触到许多人,而每个人都有许多长处,值得学习,可以成为我们的良师益友.拿我们的班来说吧,在这个60人的集体里,就有许多小“能人”:有的擅长绘画,有的写着一手好字,有的是篮球场上的闯将,有的是象棋盘上的英雄,有的富有数学家般敏捷的思维,有的具有歌唱家的天赋……多向他们学习学习,多向他们的长处靠拢,正所谓“扬长避短”.这样不就可以使我这株置身于万顷细田中的小苗增添一些知识的养分吗?
如果你想具有大海般渊博的知识,就应善于从生活中寻找良师益友,吸取他们的点滴长处.如果说拜能者为师是理所当然的话,那么“知之为知之,不知为不知”就容易做到了.首先,你得放下自己那份强烈的虚荣心,不要为了一时渴望得到荣耀,而不懂装懂,其结果只是无聊而又可笑的.
朋友们,让我们拜能者为师,且不要不懂装懂.这样,成功的大门才会时刻向我们敞开!
奇妙的近义词是什么行行好吧
南宫舞蝶1年前6
mctzy 共回答了21个问题 | 采纳率85.7%
奇妙的近义词:奥妙、微妙、奇奥、玄妙、奇异、神奇、离奇、瑰异、稀奇
四时田园杂兴改写成文章各位大虾、网虫们,请求您行行好吧!
san5300221年前1
楚晓 共回答了18个问题 | 采纳率88.9%
四时田园杂兴共六十首,都是描写农村春、夏、秋、冬四个季节的景色和农民的生活,同时也反映了农民遭受的剥削以及生活的困苦,宛如农村生活的长幅画卷.要是都改恐怕要上万字.
急!各位大神,行行好!已知反比例函数y=x分之K和一次函数y=2x-1,其中一次函数的图像经过点(k,5) 1 试求反比
急!各位大神,行行好!
已知反比例函数y=x分之K和一次函数y=2x-1,其中一次函数的图像经过点(k,5) 1 试求反比例函数的解析式2若点A在第一象限,且同时在上述两函数的图像上,求A点的坐标
wuchen021年前1
秋风宜雪 共回答了21个问题 | 采纳率90.5%
5=2k-1,k=3,y=3/x
3/x=2x-1,2x²-x-3=0,(x+1)(2x-3)=0,x=-1,3/2
A=(3/2,2)
走一步再走一步 的深浅层的意思大哥行行好
465242911年前1
标哥 共回答了16个问题 | 采纳率93.8%
首先是指“我”在父亲的鼓励下克服困难的过程,其次还指人生面对挫折时克服挫折时的一步步具体行动
庄子的作者是谁what时期what家代表人物小弟跪求其书故事名(小弟快挂了,行行好)
我不顶天早踏了1年前3
mybabyyouyou 共回答了20个问题 | 采纳率80%
庄周
跪求老人与海30篇读书笔记求求求30篇每篇就要100字的就行了!大哥大姐们行行好了、、求求你们了 给你们跪下了
妍19841年前1
mikex 共回答了18个问题 | 采纳率83.3%
老人与海--读后感 “一艘船越过世界的尽头,驶向未知的大海,船头上悬挂着一面虽然饱经风雨剥蚀却依旧艳丽无比的旗帜,旗帜上,舞动着云龙一般的四个字闪闪发光——超越极限!”作者海明威是这样评价他的作品《老人与海》...
我们语文老师要死,大哥大姐们,行行好,19个作文题目!
lq1901年前1
不拍不响 共回答了23个问题 | 采纳率91.3%
旅游
做家务
生活中的感悟
电影上映
观后感
变形金刚3
哈利波特终结
助人为乐
好多啊 其中一个就可以写很多 你可以把写过的抄一遍 老师没那么仔细的
谁有the ant and the grasshopper 改变后的剧本,请发给我,感激不尽,谁有的就行行好
天视1年前1
331devil 共回答了23个问题 | 采纳率87%
In a field one summer's day a Grasshopper was hopping about, chirping and singing to its heart's content. An Ant passed by, bearing along with great toil an ear of corn he was taking to the nest.
  "Why not come and chat with me," said the Grasshopper, "instead of toiling and moiling in that way?"
  "I am helping to lay up food for the winter," said the Ant, "and recommend you to do the same."
  "Why bother about winter?" said the Grasshopper; "We have got plenty of food at present." But the Ant went on its way and continued its toil.
  When the winter came the Grasshopper had no food and found itself dying of hunger - while it saw the ants distributing every day corn and grain from the stores they had collected in the summer. Then the Grasshopper knew: It is best to prepare for days of need.
  夏日的一天,一只蚱蜢正在一块庄稼地上蹦来跳去,无忧无虑地唱着歌. 这时,一只蚂蚁从它身边爬过.蚂蚁正十分费劲地拖着一个玉米棒子,它是要把玉米棒子拖回到蚂蚁巢里面去.
  “过来跟我聊聊天吧,”蚱蚂说,“用不着那么辛苦地工作吧?”
  “我正帮忙收集过冬用的粮食,”蚂蚁说,“我建议你也去收集点粮食.”
  “为了过冬用不着这么费劲吧?”蚱蚂说,“我们现在有大把的粮食”.
  蚂蚁没有听它的,而是继续辛苦地拖着粮食往回赶.
  冬天来了,蚱蚂没有粮食,都快要饿死了. 这时,蚱蚂看到蚂蚁们正分发他们在夏天时收集并储存起来的玉米和谷物. 蚱蚂明白了: 什么事都要提早做好准备,将来才有好的结果.
你要怎么改变,剧情还是转述(第三人称)
求求哥哥姐姐们行行好我要十篇作文四百字左右明天我给你们请安!!!!
一田先生1年前3
jabson 共回答了1个问题 | 采纳率
。。。。。。。。。
要想自己的学问有进步,就要专心致志,就要有坚韧不拔的意志力.这句话的意思是什么.各位行行好,
cora061年前7
啵儿公主 共回答了27个问题 | 采纳率96.3%
意思是说:就要全身心投入学习,有困难了,也得顽强克服.
关于伦敦眼(带上英文)明天公开课要用,靓妹行行好,
小腰庄有钱1年前3
木鱼阿壮 共回答了23个问题 | 采纳率82.6%
The London Eye
The world’s largest observation wheel is 135 metres high.It provides a 30-minute,slow-moving 'flight' over London.Designed to reflect the elements of air,water,earth and time - the central theme is a circle of white light from within the rim which sweeps the skyline at 135 metres.The passenger capsules signifying 'time',is lit internally at the point of embarcation.Each high-tech capsule accommodating up to 25 people.The attraction has the capacity to handle 1,500 visitors every hour.The British Airways London Eye is a privately funded venture between British Airways,the Tussauds Group and London architects David Marks and Julia Barfield.
英语中单数变复数的规律大哥大姐行行好吧,
lihui_19861年前3
1295whx 共回答了19个问题 | 采纳率89.5%
1.1 名词复数的规则变化
___________________________________________________
情况 构成方法 读音 例词
__________________________________________________
一般情况 加 -s 1.清辅音后读/s/; map-maps
2.浊辅音和元音后 bag-bags
读 /z/; car-cars
___________________________________________________
以s,sh,ch,
x等结尾的词 加 -es 读 /iz/ bus-buses
watch-watches
___________________________________________________
以ce,se,ze,
(d)ge等结尾
的词 加 -s 读 /iz/ license-licenses
___________________________________________________
以辅音字母+y 变y 为i
结尾的词 再加es 读 /z/ baby---babies
___________________________________________________
1.2 其它名词复数的规则变化
1) 以y结尾的专有名词,或元音字母+y 结尾的名词变复数时,直接加s变复数:
如:two Marys the Henrys
monkey---monkeys holiday---holidays
比较:层楼:storey ---storeys story---stories
2) 以o 结尾的名词,变复数时:
a.加s,如:photo---photos piano---pianos
radio---radios zoo---zoos;
b.加es,如:potato--potatoes tomato--tomatoes
c.均可,如:zero---zeros / zeroes
3) 以f或fe 结尾的名词变复数时:
a.加s,如:belief---beliefs roof---roofs
safe---safes gulf---gulfs;
b.去f,fe 加ves,如:half---halves
knife---knives leaf---leaves wolf---wolves
wife---wives life---lives thief---thieves;
c.均可,如:handkerchief:
handkerchiefs / handkerchieves
1.3 名词复数的不规则变化
1)child---children foot---feet tooth---teeth
mouse---mice man---men woman---women
注意:与 man 和 woman构成的合成词,其复数形式也是 -men 和-women.
如:an Englishman,two Englishmen.但German不是合成词,故复数形式为Germans;Bowman是姓,其复数是the Bowmans.
2)单复同形 如:
deer,sheep,fish,Chinese,Japanese
li,jin,yuan,two li,three mu,four jin
但除人民币元、角、分外,美元、英镑、法郎等都有复数形式.如:
a dollar,two dollars; a meter,two meters
3)集体名词,以单数形式出现,但实为复数.
如:people police cattle 等本身就是复数,不能说 a people,a police,a cattle,但可以说
a person,a policeman,a head of cattle,the English,the British,the French,the Chinese,the Japanese,the Swiss 等名词,表示国民总称时,作复数用.
如:The Chinese are industries and brave.中国人民是勤劳勇敢的.
4)以s结尾,仍为单数的名词,如:
a.maths,politics,physics等学科名词,为不可数名词,是单数.
b.news 是不可数名词.
c.the United States,the United Nations 应视为单数.
The United Nations was organized in 1945.联合国是1945年组建起来的.
d.以复数形式出现的书名,剧名,报纸,杂志名,也可视为单数.
"The Arabian Nights" is a very interesting story-book.
是一本非常有趣的故事书.
5) 表示由两部分构成的东西,如:glasses (眼镜) trousers,clothes
若表达具体数目,要借助数量词 pair(对,双); suit(套); a pair of glasses; two pairs of trousers
6) 另外还有一些名词,其复数形式有时可表示特别意思,如:goods货物,waters水域,fishes(各种)鱼
浙江省有几个地级市4年级的作业!我没分求大家行行好!囧哪几个
lassalle1年前4
pppppalnt 共回答了18个问题 | 采纳率88.9%
浙江省有:11个地级市http://zhidao.baidu.com/question/76938847.html?si=5
舟过安仁这首诗怎么改成一段小短文??? 学霸们!行行好吧!
sundaees1年前1
海米底泳衣 共回答了15个问题 | 采纳率60%
就是主要内容扩写,加上时间,地点,人物,事件就可以了
初中未学过的古诗及鉴赏 100字以上(不要太多啊)最少10首 谢谢 急啊…………行行好啊!
mohy98041年前1
nfa8w9u3 共回答了18个问题 | 采纳率83.3%
《长信秋词五首》——·王昌龄
金井梧桐秋叶黄,珠帘不卷夜来霜.
熏笼玉枕无颜色,卧听南宫清漏长.
行行好,4篇初三的英语周记
森林青草1年前1
wangfeng841130 共回答了23个问题 | 采纳率91.3%
It was 6 pm then.Dad was still working in his office,while mom was out shopping,both of them didn't get back yet.I became bored after 3 or 4 hours watching TV.I was so hungery that I can eat a whole elephant.So I came into the kitchen.I decideded to prepear dinner without finding anything to eat.
First of all,I shattered two eggs into a bowl,and stured for a while.Then I chopped two tomatoes.The oil in the pan began to belch a littel smoke,so I pour the egg slosh in.Turning fire down a bit would keep it in a good shape.After a while,I put in the tomatoes inside.A spoon of salt , then some sugar.Five minutes later, my dish was completed!
I got a pear, a apple,some water melon,and a box of yogurt out the refrigerator,chopped this fruit into small cubes,and put it into a glass bowl,and poured some yogurt in.The After-Dinner dessert was over.
Of course, I got much praises from my parents. We also had a fantastic dinner today.
2Nowadays the newspaper possesses considerable value Everybody should read it. It supplies us with a variety of news every day. It tells us the political situation of the world. If we form the habit of reading the newspaper, we shall (will) get enough knowledge to cope with our circumstances.
现今报纸拥有极大的价值,人人都应该看它.它每天提供我们各种类类的消息.它告诉我们世界政治局势.如果我们养成看报的习惯,我们就能得到足够的知识来因应我们的环境.学生虽然每天须做功课,但他们至少应该匀出一两个小时来看报.哪些,他们不但能增加知识而且也能赶上时代.总而言之,看报对学生很有益处.
3HOW TO GET HAPPINESS 如何获得快乐
There is no doubt that happiness is the most precious thing in the world. Without it, life will be empty and meaningless. If you wish to know how to get happiness, you must pay attention to the following two points.
First, health is the secret of happiness (the key to happiness). Only a strong man can enjoy the pleasure of life.
Secondly, happiness consists in contentment. A man who is dissatisfied with his present condition is always in distress.
无疑的快乐是世界上最宝贵的东西.没有它,人生将是空虚的而且毫无意义的.如果你希望知道如何获得快乐,你须注意下面两点.
健康是快乐的要诀.唯有身体强壮的人才能享受人生的乐趣.
快乐在于知足.一个不满于现状的人终是处在痛苦之中.
4MY DAILY LIFE 我的日常生活
Though my daily life is extremely monotonous, I try hard to adapt myself to it. Why? Because I intend to be a good student. I wish to render service to my country.
I get up at six o’clock every day. After I wash my face and brush my teeth, I begin to review my lessons. I go to school at seven o’clock.
After school is over, I return home. We usually have supper at seven o’clock.
Then I begin to do my homework. I want to finish it before I go to bed.
虽然我的日常生活十分单调,但我却竭力设法去适应它.为什么?因为我打算做一个好学生,希望将来为国家服务.
我每天六点起床、洗脸刷牙后,就开始复习功课,七点钟我就去上学.
放学后,我就回家了.我们通常在七点钟吃晚餐,之后我就开始做家庭作业,希望在睡觉前把它做完.
5 BOOKS 书籍
As is well known, books teach us to learn life, truth, science and many other useful things. They increase our knowledge, broaden our minds and strengthen our character. In other words, they are our good teachers and wise friends. This is the reason why our parents always encourage us to read more books.
Reading is a good thing, but we must pay great attention to the choice of books. It is true that we can derive benefits from good books. However, bad books will do us more harm than good.
如众所周知,书籍教我们学习人生,真理,科学以及其它许多有用的东西.它们增加我们的知识,扩大我们的心胸并加强我们的品格.换句话说,它们是我们的良师益友.这是为什么我们的父母终是鼓励我们要多读书的理由.
读书是一好事,但我们必须多加注意书的选择.不错,我们能从好书中获得益处.然而,坏书却对我们有害无益.
6Today is the first day I stay at Zhejiang University.I’m happy and excited.In the morning,I got up early.I felt fresh.After washed my face and brushed my teeth,I had delicious food for breakfast.I made some friends.They are friendly.In our bedroom,Xu Chao is our bedroom rules,I hope everyone has a good trip at Zhejiang University!At night,I’m a little tired,but relaxing,too.I think tomorrow will be fine,too!I look forword to it.
几道应用题不会做,求过程和答案,行行好吧,急用!
几道应用题不会做,求过程和答案,行行好吧,急用!
1.从李庄到刘庄,甲要走2/1小时,比乙要多6/1小时,如果两人分别从两庄相向而行,多少时间后相遇?
2.有一项工程,甲乙合作六天完成,乙丙合作10天完成,甲丙合作12天完成,三人合作几天完成?
3.一项工程,甲队单独做30天完成,乙队单独做20天完成,两队合作若干天后,中间将乙队调出,所以整个工程经过18天才完成,乙队调出多少天?
4.一件商品连续两次提价10%,后来打八折出售,这件商品现在卖出赚了还是亏了?赚或亏了几元?
5.甲乙两种商品成本共250元,甲按30%的利润定价,乙按20%的利润定价,后来应顾客的要求,两种商品按定价9折出售,还能获利33.50元,甲商品的成本是多少?
6.一种洗衣机,甲店比乙店的成本价便宜5%,甲店按30%的利润定价,乙店按20%的利润定价,已知甲店定价比乙店的定价高14元,甲店的成本价是多少元?
7.商店有两台冰箱,一台利润率是20%,现售价2640元,另一台降低成本的10%出售,现售价1800元,这两台冰箱售出后是亏了还是赚了?亏或赚了几元?
8.商店有两件商品,一件成本价800元,亏本15%卖了,另一件成本价600元,这件商品应按百分之几的利润率定价,才能保证两件商品卖出去不赔不赚?
9.有含盐8%的盐水40千克,要配制含盐20%的盐水100千克,需加盐和水各多少千克?
10.有浓度45%的酒精若干千克,再加入16千克浓度为10%的酒精,混合之后的酒精溶液浓度为25%,现在的酒精有多少千克?
qm200891年前3
tianyahaoer 共回答了29个问题 | 采纳率79.3%
小朋友` 不能把作业原原本本搬到网上叫别人帮你解答.自己不动手做,以后中考高考怎么办.
路,在没路的地方 阅读答案大哥大姐行行好.
花影玉人1年前1
liwenhao 共回答了19个问题 | 采纳率94.7%
  路,在没路的地方 阅读答案(2011年浙江余姚中考语文试题)
  1.阅读全文后,围绕“我们”和朋友对摄影的不同表现,在表格中补全故事内容的概括.(2分)
  2.联系上下文,说说下列句中加点词的含义.(2分)
  (1)熟悉的地方没景色,最美的风景,往往都在路远远不能抵达的地方.
  (1)要使我们人生拥有与众不同的风景,就必须让自己的生命走一条与众不同的旅程.
  (1) (2)
  3.文章结尾句加点的“这样”指什么?请你在横线上补上内容,说说你的人生感言.(3分)
  4.本文在布局谋篇上与下列课文哪一篇相似?并说明其相似之处.(3分)
  A.《吆喝》 B.《春酒》 C.《走一步,再走一步》 D.《济南的冬天》
  (1)相似的课文(填字母):
  (2)相似之处:
  5.学贵质疑.读完了文章之后,有同学提出疑问:标题“路,在没路的地方”是否自相矛盾,假如你是李雪峰,(3分)
  答案:
  1.(1)七嘴八舌地纷纷向导游小姐询问如何才能平安、快捷、全方位地游览每一个风景点.(2)一个人攀巨石,劈荆棘.
  2.(1)供人观赏的自然景象.(2)比喻人生的美好境界(生活)
  3.示例:只有不甘于寂寞的生活,才有非同凡响的人生!(符合文意,言之有理即可)
  4.(1)C.(2)示例一:两文作者都从一件小事,感悟到一个人生哲理.示例二:两文都采取“以事寓理”的写法.示例三:两文均采取先叙后议、卒章显志的写法.示例四:两文均采取以小见大的写法.
  5.这个标题并不矛盾.我采取这个标题一语双关,既指朋友总是一个人攀巨石,劈荆棘,在没路的地方寻找最美的风景,拍摄出与众不同的作品;又喻指要使我们人生拥有与众不同的风景,就必须让自己的生命走一条与众不同的旅程.
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  很难完整回答你,这里发不了表格,无法显示加点字和横线,也不让发链接.你自己去百度一下“好语文网”,第一个就是,那里大量的答案和试题.
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手持gps转施工图坐标我不是搞测量的,哪位大侠行行好,讲解一下怎样转换.现在cad图上给的参考点X和Y坐标,手持gps测
手持gps转施工图坐标
我不是搞测量的,哪位大侠行行好,讲解一下怎样转换.现在cad图上给的参考点X和Y坐标,手持gps测得经纬度,怎么都算不到一起.114度29分54.546秒,30度33分26.970秒,cad图上x382057.624,y547763.462,武汉地区.
珊瑚飞舞1年前0
共回答了个问题 | 采纳率