我四分钟可以打260个字.照这样的速度,李虎想打一篇1950个字的文章需要多少分钟?（方程）

锯成2段需要锯
2－1＝1次
每次
5分之4÷1＝5分之4分
锯成6段需要锯
6－1＝5次
需要
5分之4×5＝4分

(John,Peter,and Mary usually go to work by car pooling.While eating breakfast...):
John:Peter,why do you eat so fast today?
Mary:You seem to be in a hurry,Peter.Don't rush,we have enough time to get to work.
Peter:Guess what?I've decided to take a bus to go to work starting from today.
John:You must be kidding!
Peter:No,I'm serious.
Mary:But why?It takes a lot longer time to take a bus than a car to go to work.
John:Its simply a waste of time.I'm wondering how are you going to kill your time on the bus.
Mary:A waste of time is one thing,and the other is how can you tolerate the crowdedness on the bus?
Peter:I'm not worried about what the two of you just said.What concerns me the most is the increasinglypoluted air.Look outside,another day of severe smog.Can you see the number of pollluted days are ever increasing and most of the pollution is generated by cars.Although it takes longer by bus,the more people take the bus,the fewer cars will be on the road.So,by taking a bus,I'm doing my part to reduce the polllution and save our city.
John　and　Mary：　That　sounds　great!　We　will　join　you　to　save　our　earth．
ALL　Three：　Let＇s　hurry　before　its　too　late　to　catch　the　bus．

体积=3.14*(1.8/2)²*2*4*60=1220.832立方米

将四分钟沙漏和七分钟沙漏同时开始
四分钟沙漏结束之后立即反转继续开始,此时7分钟沙漏还剩3分钟
七分钟沙漏结束时,开始计时,1分钟后,四分钟沙漏应该结束
四分钟沙漏结束时,反转继续开始,结束是应为4+1=5分钟
这次结束后继续翻转,开始,结束时,5+4=9分钟
总体来说应该就是4*4-7=9分钟

Ways to Maintain Good Relationships Between the lovers
Therelationship is made beautifully, when two people come together to share theirlove for each other. Young lovers how to keep the flame in theirrelationship aglow.I have a long distance relationshipboyfriend of five years.From my perspective, goodrelationship refers to equality, helping and respecting each other, which isbased on trust. Here are my experiences in the love with my boy friend.
First of all Honesty.Be honest in your relationship. When two people from differentbackgrounds come together to share their love, honesty is the only thing thatkeeps the relationship to collapse. With honesty is confidence, love grows withtime.
Understanding followed. As a girl,dressing yourself quickly, doesn’t let your boyfriend wait too long atdownstairs. As a boy, trying to be more careful about the tiny change of yourgirl friend. Each of the lovers should learn to think in the standing ofopposite one, then you will understand why your lover behave in that way.
Further more, communication. Most relationships go awry because both parties inthe relationship assume their partner would automatically know what they arefeeling. Instead, why not try to tell him how you feel? Communication is thekey to any relationship.
Sometimes love is a magic thing, youcan’t handle it very well. I believe that if you love with your heart and soul,you will get a harvest in love.

4.5千米每小时=75米每分 6千米每小时=100米每分设 这个学生从家到学校的距离是S米S÷75－8=S÷100＋4 （S除以75为他以4.5千米每小时的速度到达学校所须的时间,减去8就是他不迟到也不早到刚好的时间；S除以100为他以6...

平均每分钟大约读=29500/30=983字
4分钟读了这张报纸的=4/30=2/15=13.33%

3楼则上升了3-1=2楼
所以每楼是4/5÷2=2/5分钟
6楼则上升6-1=5层
所以要2/5×5=2分钟

又是这种让人蛋痛的题目.
水池总量为x
甲的进水速度为x/3,乙为x/6,出水速度为x/4
则3管同时开,进水速度为(x/3+x/6-x/4)
使用时间为：
x/(x/3+x/6-x/4) = 4分钟
(我一个朋友说了,有毛病啊,同时开着进水出水,不知道浪费水啊!我也很奇怪,出题的人为什么总喜欢出这种含义的题目,换种方式不行吗?）

第1分钟：152下/分钟
第2分钟：162下/分钟
第3分钟；165下/分钟
第4分钟：170下/分钟

"China's Ping An Insurance" - the little girl always wanted to challenge the drop place!However,as not enough just to give up the (in fact she was still waiting for the opportunity to do last round,urelyhow,because she believe in miracles drops).So,aboutws,next year target:Reading of evening,test driver's license!She would also like to drop English words,attack the computer eh!
But the reality is there are differences with the ideal drop,perhaps not imagined it all goes well,feeling a little whimsical but seemingly realistic and feasible!Hey ......she hoped the New Year to convince her parents to go back to support her,wucaered,and she handed over within two years,do-for,not a penny of her own work-study program.Ha ha very funny,I remember in September 2009,the little girl back to her sister vowed to comfort her wedding Shihai parents said,"Nothing drops,elder sister married a sister withstand,su-relyshow,now also married sister Well there is not even,from now on to take the third by the dual stick ......!"But now that she had a dream to eat their words,would like to say if she began,her parents will agree,but she also wanted to know What can be done to reduce drop her "guilt(Contradiction,struggle,hovering ah ......hey!) Read the college,newlego,may have the opportunity to also have more room for waiting development drop,but time waits for no one,if given up,Zhen Di did not know she would not later have this drum momentum!Decadence is not rushed to take advantage of big bang for her own good,"Charge!"
her father her mother,ad-ishreeo,up to ......up to her two years of "evolutionShe once,after all,balloon8,the time drops to make money more drops after that,cove-rage,and not once missed the opportunity to study drop again,planetted,I hope you will understand and support!!
you think little girls will succeed?In fact,the girl would like to say:a person is able to persist or a problem then go all the way!!But do not take the first step if you never have the courage to explore the second step drops,I believe her - do it!

路程一定,速度与时间成反比例.
小红用的时间是：0.3分钟=3/10分钟=9/30分钟
小明用的时间是：4/15分钟=8/30分钟
8/30＜9/30
小明用的时间少.
小明跑得更快一些.
有不明白的地方欢迎追问.

王师傅效率最高,为2.75个每分,齐次李师傅,2.67个每分,张师傅最慢,2.6个每分

A：Hello, A? Have you found that there are more cats and dogs on campus recently?
B: Yes, it's ture. I also read some news about other universities. It is said that those cats and dogs used to be some students' pets.But now they are graduating and leaving them behind.
A: oh, i feel sorry for the cute creatures. I hope i can keep them.
B: Don't do that! Pets are dirty.
A: I don't think so. I will keep them clean. I used to have a dog in my family, it was very cute. We love it very much. It is like a member of our family.
B: i know pets are lovely and they can bring a lot of fun to families, but I still think it is not advisable to keep pets. They will be noisy and sometimes easy to cause some diseases. It is not good for people'e health.
A: Everything has two sides. I believe keeping a pet can make our life more interesting, we can make friends with animals.
B: Sure you can. But what do you think of the pets left behind by the graduates? It is not easy to keep a pet, you have to be responsible.
A: Yes, that is a very important point. keeping a pet can bring fun but also troubles. I have to think twice before I keep one.

.跑.从慢跑开始,分两天,然后再开始有强度的训练,再提高的快也总得有限度吧.看你个人的意志力了!

听英语十分钟这个可以在洗漱和收拾书包已及吃早饭的时候同时进行。
然后其他的相加即可。
4+6+2+6=18分钟最少。

8

甲速度是1÷4=1/4
乙速度是1÷5=1/5
甲的速度是乙的1/4÷1/5=125%

因为路程是不会变得,所以他在路上用的时间也不变,设时间为t.则有方程（t+5）*60=（t-4）*90就可以得出t=22.随便带入等号左右哪个都可以得出距离为1620米

要的是你勇于参与的精神,付出的背后是胜利无论是否成功,我们永远赞美你,你们永远是我们的骄傲,54环形的跑道一圈又一圈的坚持,毅力与精神活跃在会场上,湿透的衣衫,满头的大汗,无限追求 奋力追赶,我们为你欢呼 跳跃 ,我们为你骄傲
致运动员 生活中,我们每天都在尝试 尝试中,我们走向成功 品味失败,走过心灵的阴雨晴空 运动员们,不要放弃尝试 假如你成功了 这就是下一次尝试的动力 假如你失败了 就总结经验,吸取教训,继续努力
无论失败与否 重要的是你勇于参与的精神 付出的背后是胜利 无论是否成功 我们永远赞美你 你们永远是我们的骄傲 努力吧,运动员
走过荒山野岭高峡低谷,我们在沿途燃起篝火,一站一站的路被抛在身后,我们感到疲惫感到困惑.还有那么长的路伸向远方,远方那片星光藏在哪儿,远方那颗童话树躲在何处,努力吧,奋斗吧!远方有我们的理想,有我们的希望!
磨炼的是非凡的毅力,较量的是超常的体力,拼搏的是出类拔萃的耐力.
把长长的跑道跑成一段漫漫的征途,听!呼啸的风在为你喝彩,看!猎猎的彩旗在为你加油,加油吧!为了到达终点时那一刻的辉煌!
胜也好 败也罢 唯有参与 方能领略到运动的真谛!
曾几何时,我为痛失奖杯而忏悔不已：曾几何时,我因别人而羡慕不已.伤心,失落已成为过去,新的机遇也即将到来.这次不需要使自己留下任何遗憾,努力准备吧!
你是跑道上划过的流星,燃烧自己,洒下光辉,也许你并没有看到成功像你挥手,但你已奋斗拼搏过,相信自己,力量就在心中.
风雨中洒脱你的激情,阳光下释放你的希冀,没有你过去的过去,只有把握现在,没有你明天的明天,
只有眼前的路.逝去的已经逝去,要明白,今天的才是真正的你,用你的真实,你的所有,挥洒出心中的希望.
你胜利了 望着远方红色的终点线,那是汗水铺成的路,泪水堆成的山,平时的努力与奋战,不就为这一瞬间,于是你们用尽全身力气,冲向那决定命运的红线,你胜利了,耳旁飘来了同学们的欢呼与赞叹.
运动生命在阳光里展现风采 生命的凯歌在阳光中走向辉煌 运动的序幕已经拉开 让我们用运动的火光来点燃生命的激情 生命阳光永不锈
诺大的竞技场期待着你矫健的身影 瑟瑟的秋风为你送来爽朗的气息 朋友,在你踏上跑道的那一刻 告诉自己----将信心进行到底 无论成功与否 请微笑着跑完全程 只要年轻的心还在蓬勃的跳动 就要大声告诉自己----将信心进行到底
或许,有意无意之间,你已陷入一场惊心动魄的争夺之中,即使天崩地裂,日月无光,你毫无怨言,永往直前.既然心中已锁定目标,就抛却一切,以智慧、体魄为羽翼,以坚韧、刚强为动力,扶摇直上,挣脱束缚,跨越障碍,在终点处先拔头筹,在磨砺中超越自我.
在竞技场上,你付出汗水,释放光芒；辛勤耕耘,收获成果；为别人喝彩,以努力拼搏激励自己,感动他人.
在竞技场上,你证明自我,交朋结友,让生活更丰富,使生命更精彩.
接受挑战吧,你会更坚强；直面困难吧,你将更自信.愿我们在竞技中成熟,用真正的实力创造美好的未来!
看!那一面面迎风飘舞的彩旗,是一朵朵盛开的鲜花； 听!那一阵阵惊天动地的欢呼,是回响在耳边胜利的风声.运动场上的你们,是胜利的标志,运动场上的你们,是青春的赞叹.去吧!去迎接那伟大的挑战,去吧!去做一名追风的少年.你们代表的是----东,西,南,北----风!

C
1÷（1/3-1/4)=12.

http://mypai.piekee.com/paipai/zdpp2010050818665138/audio/paipai_zsxd_audio_2007_2_20_12_58_33.mp3
《再别康桥》徐志摩
（长度应该刚刚好~）
轻轻的我走了,
正如我轻轻的来；
我轻轻的招手,
作别西天的云彩.
那河畔的金柳,
是夕阳中的新娘,
波光里的艳影,
在我的心头荡漾.
软泥上的青荇,
油油的在水底招摇；
在康河的柔波里,
我甘心做一条水草!
那榆阴下的一潭,
不是清泉,是天上虹；
揉碎在浮藻间,
沉淀着彩虹似的梦.
寻梦?撑一支长篙,
向青草更青处漫溯,
满载一船星辉,
在星辉斑斓里放歌.
但我不能放歌,
悄悄是别离的笙箫；
夏虫也为我沉默,
沉默是今晚的康桥!
悄悄的我走了,
正如我悄悄的来；
我挥一挥衣袖,
不带走一片云彩.

珍惜时间，不要浪费时间

乙（4分钟）先打,3人都等4分共12分钟
再甲（8分钟）打,2 人都等8分,共16分
最后丙（10分钟）打,1人等10分,
这样,他们等候的时间最短.
一共等了12+16+10=38分钟
寒樱暖暖
如有不明白,
直到完成弄懂此题!
如还有新的问题,

第一问：1/8×4/5=1/10第二问：60×1/8=15/2

24*2=12,63*3=21,44*4=11.李响踢的个数最多

（四分之一减去五分之一）

4/(9-1)=0.5
30/2/0.5=30
30+1=31
如果往返跑步三十分钟,应该跑到第31棵树时返回

建议用新视野大学英语，里面有很多题材的这种对话

11

你也在想这道题呀,我也在搜呢

平均每分钟大阅读917个子 4分钟读了这张报纸的2/15 应该对吧

283-10=273
273/2=136.5
136.5/4=34.125
136.5/5=27.3

两种方式：
（1）3+3+3-5=4,同时启用,五分钟漏斗漏完时开始计数,至三分钟漏斗第三次漏完时结束.
用4次,共耗时9分钟
（2）5+5-3-3=4,同时启用,三分钟漏斗第二次漏完时开始计数,至五分钟漏斗第二次漏完结束.用4次,共耗时10分钟

1/5*x+1/4*x=90
x=200

日地距离平均值为14 960万千米；按此距离计算,太阳光到达地球表面只需8分18秒.
所以选C

相遇时间是
34÷（1/5+1/4）
=34÷9/20
=680/9分钟

平均每分钟行：（17/3）/4=17/12（千米）
平均每小时行：（17/12）*60=85（千米）

一样快,十五分之四分钟就是16秒,60*（4/5）=16

My favorite subject is astronomy, because he is very interesting, since ancient times, the ancients observed the stars in the sky, I grew to like to watch the stars, the study of esoteric!Because it is the foundation of natural science, can understand the origin of our entire world and the beautiful constellation!I also like computer science, because I am loving it, he can help us do many things, research software, hardware, etc.!Is very fun!Can help you!
I want my answer can help you!

①②正面
②反③正
③反④正
④反⑤正
⑤反①反
一共：4×5=20分钟

①②正面
②反③正
③反④正
④反⑤正
⑤反①反
一共：4×5=20分钟

【一】
Salutation to the Dawn
向黎明致敬——把握今天!
Look to this day!
把握好今天!
For it is life,the very life of life.
因为它就是生命,生命中的生命.
In its brief course,
在它短短的进程里,
Lie all the verities and realities of your existence:
体现了你生存的真谛与现实：
The bliss of growth,
生长的福佑,
The glory of action,
行动的荣耀,
The splendor of bearty,
美貌的光彩,
For yesterday is but a dream,
因为昨天不过是一场梦,
And tomorrow is only a vision,
而明天只是一个幻影,
But today well lived makes every yesterday a dream of happiness,
但是活好今天,却能使每一个昨天都成为快乐的梦,
And every tomorrow a vision of hope.
每一个明天都成为希望的幻影.
Look well,therefore,to this day!
所以,好好把握今天把!
Such is the salutation to the dawn.
这就是你对黎明的敬礼!
This poem reminds me of one of my favorite quotes:
这首诗使我想起了我最喜欢的一句名言：
Cherish your yesterdays;dream your tomorrow;but live well your todays!
珍惜昨天,憧憬明天,活好今天!
We are the future of our families,and we shouldn't let our parents
我们是家庭的希望,我们不能让我们的父母失望!
down!
A proverb says“Time is money.”
有句谚语说“时间就是金钱”
Look well,therefore,to this day!
所以,好好把握今天把!
Let's value our time!
让我们珍惜时间!
That's all!Thank you!
我的演讲完毕!
【二】
Opportunity
机会
With doubt and dismay you are smitten,
怀疑和沮丧使你备受煎熬,
You think there's no chance for you,son?
孩子,你认为你没有机会吗?
Why,the best books haven't been written.
为什么要这么想呢?最好的书还没有写成,
The best race hasn't been run,
最棒的赛跑还没举行,
The best record hasn't been set up,
最佳的记录还没出现,
The best song hasn't been sung,
最动听的歌曲还没咏唱,
The best tune hasn't been played yet;
最美妙的曲调还未凑出,
Cheer up,for the world is young!
别灰心,因为这个世界还年轻!
No chance?Why the world is just eager
没有机会了吗?这个世界正渴望
For things that you ought to create;
你应该创造的一切；
Its store of true wealth is still meager,
它所储存的真正财富还很贫瘠；
Its needs are incessant and great;
它的需要庞大而不绝；
It yearns for more power and beauty,
它渴求多些力量和美丽,
More laughter and love and romance,
多些欢笑、情爱和浪漫,
More loyalty,labor and duty,
多些忠诚、劳动和职责.
No chance—why there's nothing but chance!
没机会——哎呀,除机会外别无所有!
For the best verse hasn't been rhymed yet,
因为最优美的诗篇还没写成,
The best house hasn't been planned,
最漂亮的房屋还未设计,
The highest peak hasn't been climbed yet,
最高耸的山峰还没攀登,
The mightiest rivers aren't spanned;
最雄伟的江河还没架桥.
Don't worry and fret,faint-hearted,
别担忧,别发愁,别胆怯,
The chances have just begun,
各种机会刚开端,
For the best jobs haven't been started,
因为那些最好的职业还没开创,
The best work hasn't been done.
最好的工作还没完成!
No chance—why there's nothing but chance!
没机会——哎呀,除机会外别无所有!
That's all!Thank you!
我的演讲完毕!

强强用了一又五分之四分钟=60+60*4/5=108秒
壮壮用了1分钟40秒=100秒
壮壮跑得更快一些

1÷（1/4-1/6）
=1÷1/12
=12（分钟）

X/60-4=X/80
4X-960=3X
X=960

朋友,从一楼到三楼,很明显只走两层楼的楼梯,那么每次就是用2分钟,而从三楼到六楼就要通过三层的楼梯了,这里要用6分钟.所以啊,要用10分钟哦!我说的是只每次的速度一样的情况啊!

18分钟

900除已12等于75