预备一班41人共存123.5元,预备二班40人每人存4元,两班平均每人存多少元?

akunamatata2022-10-04 11:39:541条回答

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00013986 共回答了21个问题 | 采纳率95.2%
解题思路:根据“平均每人存款×人数=总存款数”计算出二班总存款数,进而用“一班存款总数+二班存款总数”计算出两个班存款总数;然后用“41+40”计算出两个班的总人数,继而根据“总存款数÷总人数=平均每人存款数”解答即可.

(123.5+40×4)÷(41+40),
=(123.5+160)÷81,
=283.5÷81,
=3.5(元),
答:两班平均每人存3.5元.

点评:
本题考点: 平均数的含义及求平均数的方法.

考点点评: 解答此题的关键:根据存款总数、人数和平均每人存款数之间的关系进行解答即可.

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∵∠A=∠A
∴△ABE∽△ACD
∴AE/AD=AB/AC
∴AE/AB=AD/AC
∵∠A=∠A
∴△ADE∽△ACB(两边成比例,夹角相等)
几道预备第二学期数学题①.计算:|-(+5)|=②.化简:-(+2.5)= -(-3)=-|-5|=③比较:-|-3|
几道预备第二学期数学题
①.计算:|-(+5)|=
②.化简:-(+2.5)=
-(-3)=
-|-5|=
③比较:-|-3| ○ -(+4)
④简答:若a分之|a|= -1,那么a是_____.
已知x、y互为相反数,a、b互为倒数,求式子3分之5(x+y+2) -2ab的值.
5方程:|x-2|=0
|x-2|=3
⑥比较:-(+1又3分之1)与 +(-1又4分之1)
-|-4分之3| 与 -|-5分之4|
zzh200203211年前3
就像飘落的叶子 共回答了17个问题 | 采纳率94.1%
①.计算:|-(+5)|=5
②.化简:-(+2.5)= -2.5
-(-3)=3
-|-5|=-5
③比较:-|-3|=-3,○ ,-(+4)=-4,所以 0> -|-3| >-(+4)
④简答:若a分之|a|= -1,那么a是__a-|-5分之4|
苏教版7A牛津初中英语预备课程U10单词表中的单词,
虫虫不yy1年前1
小白8866 共回答了24个问题 | 采纳率91.7%
Unit 10
get up /get Ãp/ 起床
time /taIm/ n.时间
o’clock /«5klk/ adv.点钟
breakfast /5brekf«st/ n.早饭,早餐
hurry /5hÃrI/ up 赶快
sorry /5srI/ adj.抱歉的
Chinese /7tSaI5ni:z/ n.中文
lesson /5lesn/ n.(一节)课;功课
Maths /5mQTs/ n.数学
Monday /5mÃndeI;5mÃndI/ n.星期一
Tuesday /5tju:zdeI;5tju:zdI/ n.星期二
Friday /5fraIdeI;5fraIdI/ n.星期五
Thursday /5TÎ:zdeI;5TÎ:zdI/ n.星期四
chat /tSQt/ vi.聊天
each other /i:tS 5ÃD«(r)/ 相互
lunchtime /5lÃntStaIm/ n.午餐时间
English /5INglIS/ n.英语
timetable /5taImteIbl/ n.时间表
often /5fn; 5ft«n/ adv.常常,经常
then /Den/ adv.然后
have /h«v;hQv/ vt.吃;喝
usually /5ju:ZU«lI;5ju:Z«lI/ adv.通常,经常
a.m./7eI 5em/ abbr.上午
begin /bI5gIn/ vi.开始
p.m./7pi:5em/ abbr.下午
other /5ÃD«/ adj.其它的
like /laIk/ prep.像,如同
science /5saI«ns/ n.科学
PE /7pi:5i:/ abbr.体育(课)(Physical Education缩写)
after /5A:ft«(r)/ prep.在……之后
about /«5baUt/ adv.大约
go home /h«Um/ 回家
dinner /5dIn«(r)/ n.下餐,宴会
go to bed 上床睡觉
tell /tel/ vt.告诉
want /wnt/ vi.想要,希望
to /t«;tU;tu:/ (动词不定式符号,无词义)
know /n«U/ vi.& vt.知道,了解
badminton /5bQdmInt«n/ n.羽毛球
glad /glQd/ adj.高兴的,开心的
hear /hI«(r)/ vi.& vt.听到,听说
activity /Qk5tIv«tI/ n.活动
read /ri:d/ vi.& vt.阅读
lunch /lÃtS/ n.午饭
世界给我们每个人都预备了一块空地让我们侍弄的含义
世界给我们每个人都预备了一块空地让我们侍弄的含义
快啊,是“侍弄花园的理由”里面的
lnnurobby1年前4
xusun77 共回答了20个问题 | 采纳率80%
每个人有每个人自己的活法,这是这句话含义.引申一下:种好你自己的园子,别老看别人地里长什么.
我眼中的春天600字要600字,最好语言是预备年级的水平
陌巷飞蝶1年前1
mls1976 共回答了18个问题 | 采纳率83.3%
我眼中的春天
春天,在每个人的眼泪都是不同的,在每个人的心里更是不一样的了.
在我的眼中,春天,大地复苏一片生机勃勃之势.到处红的红、绿的绿让人不觉惊叹!
鲜花都开了花赶趟儿.你不让我,我不让你就像赶集市似的可热闹了.瞧,那几朵花正在表演显出她们的美丽呢,让我们去捧场、加油的吧!
当春雨到来时,人们总是欢快的,因为那是一场清凉雨,那是一场欢庆雨不得不高兴呀!雨后,瞧,叶子翠绿色的,阳光一照闪闪发光,真耀眼!
春天来了,大地也温暖了,春姑娘也把燕子找来了,这下呀,可真的热闹啦!
是呀,春天之美,在我们每个人的眼里都是与众不同,不断享受快乐,和不同的身心体会的!
在我的眼里,春天永远最美丽!
初中预备作文 感恩——(亲情、友情、友谊)500字,
初中预备作文 感恩——(亲情、友情、友谊)500字,
要符合实际的,预备班作文,最少450字,
勇敢的大汉心1年前1
sccdlwq 共回答了17个问题 | 采纳率100%
首先要积累,要多阅读,阅读能够积累大量优美的词汇,其次要富有想象,要有创新力
为什么我的初中英语预备课程是Lesson1 Nice to meet you!
为什么我的初中英语预备课程是Lesson1 Nice to meet you!
Lesson2 A happy family
而许多我查到的都是Unit1 Hello!
LMUT1年前2
ancqmq 共回答了20个问题 | 采纳率95%
版本问题.
求初中预备年级水平的五篇英语美文 谢!
求初中预备年级水平的五篇英语美文 谢!
就是作文的水平再加上几个拓展一点的单词就可以了 不要太难 谢谢!
五十字左右
thrillcattle1年前1
亲吻果冻 共回答了11个问题 | 采纳率90.9%
你好,同学:

1. Our Class
We are in Class 1, Grade 1. There are 40 students in our class. Twenty-two boys and eighteen girls. Our classmates are very active and like doing sports. After class we often play basketball or play football. We are very happy. We all work at our lessons. We listen to the teacher carefully. And our teacher Miss Zhang often praises us. And we all like her. She loves us, too.
This is our class. I like my class and classmates very much.
2. How to get on with friends
Everyone has a friend. A friend is a person who will help you when you are in difficulty. But sometimes we have something unhappy between we and friends. Maybe we can quarrel with each other because of something. What should we do if we quarrel with our friends? Let me tell you.
Being a friend, you must understand your friend. If he has something different from you. You should respect your friend's idea and try your best deal with the things. But if you really can't get the same idea, even quarrel about it. I think you should applogize him or her when you get calm. Say "sorry" to him or her, and he or she will forgive you. You can get on well each other later.

3. My First Day of New Year
At the first day of New Year, I was so excited that I got up very early in the morning. But Mother was earlier than me, and she had gotten the breakfast ready. Dumplings, that's my favourite. After the wonderful breakfast, I left home with my parents to visit our relatives. On the way, I said "Happy New Year" to everyone that I met and they all said that back to me. Everyone is happy and friendly. In my relatives' house, they prepared many sweets and snacks for visitors. They are all very delicious. The more exciting thing was that I got some money from my relatives. I had a fine day in my relatives' family.
My first day of New Year was very happy. It was a good start, and I would try my best to make this happiness last for the whole year.

4. I have a dream
Everyone has his dreams,some of them dream of becoming a teacher,others a doctor,or a policeman.but I have a another kind of dream. My dream is a nice dream,in my dream, I am an angel, I have a pair of wings,so i can fly! I can fly high in the sky.in the sky, I can see beautiful clouds, I can see people and houses down on the earth moving up and down, I can see the great wall and other places of interests. I am a angel, so I can make many things come true with my power. I can help poor children come to school and I can make the blind able to see the world! I am an angel so I don't have to do my homework and I don't have to play the piano.

5. Respect old people
I always show my respect and love to the old. My grandparents don’t live with us, but we always do our best to help them. I have also visited their home to accompany the old and chat with them.
In my opinion, it is our duty to take care of the old. The old have been worked hard all their lives. And they gave lives to us and brought us up. I think the old should be paid more attention to though their children may be busy working and ignore them.
The old not only need money and presents, they also need respect and love.
以上都是从我原来的被采纳回答中精选出来的,发了5篇.你也可以搜索我更多的作文.具体方法:在百度知道内输入:多元广宇 英语作文 这八个字就能搜出来.



希望能帮到你,祝更上一层楼O(∩_∩)O
有不会的欢迎再继续问我(*^__^*)
预备数学长方体的在认识 长方体的棱长分别为4cm、5cm、6cm,求这个长方体的棱长和与表面积
划过寒冷1年前2
落雪灵 共回答了17个问题 | 采纳率94.1%
棱长:(4+5+6)乘4=60 表面积:(4×5+4×6+5×6)×2=148
由同余、整数的数余特征的预备知识,挖掘同余式在数学竞赛中关于计算、求解不定方程及循环小数方面的应用.
由同余、整数的数余特征的预备知识,挖掘同余式在数学竞赛中关于计算、求解不定方程及循环小数方面的应用.
用英文翻译上面的话.我的论问的摘要
长剑问天1年前1
百合花O825 共回答了19个问题 | 采纳率84.2%
From prepare knowledge with the few remainings characteristic of remaining,integral,scoop out together remaining type is a concerning the application that compute,solve uncertain square distance and recurring decimal in mathematics the contest.
大学英语预备1题号:1 题型:单选题(请在以下几个选项中选择唯一正确答案) 本题分数:5内容:These two are
大学英语预备1
题号:1 题型:单选题(请在以下几个选项中选择唯一正确答案) 本题分数:5
内容:
These two areas are similar _____ they both have a high rainfall during this season.
选项:
a、besides that
b、in that
c、except that
d、so that
--------------------------------------------------------------------------------

题号:2 题型:单选题(请在以下几个选项中选择唯一正确答案) 本题分数:5
内容:

图形:
选项:
a、
b、
c、
d、
--------------------------------------------------------------------------------

题号:3 题型:单选题(请在以下几个选项中选择唯一正确答案) 本题分数:5
内容:
The consequence was much ____ he imagined.
选项:
a、other than
b、rather than
c、more than
d、no more than
--------------------------------------------------------------------------------

题号:4 题型:单选题(请在以下几个选项中选择唯一正确答案) 本题分数:5
内容:
Mrs. Li devoted the last years of her life primarily ____ writing her autobiography (自传).
选项:
a、to
b、on
c、for
d、in
--------------------------------------------------------------------------------

题号:5 题型:单选题(请在以下几个选项中选择唯一正确答案) 本题分数:5
内容:
The task required _____ did it _____ careful and brave enough.
选项:
a、who、is
b、whom、was
c、whomever、were
d、whoever、 be
--------------------------------------------------------------------------------

题号:6 题型:单选题(请在以下几个选项中选择唯一正确答案) 本题分数:5
内容:

图形:
选项:
a、
b、
c、
d、
--------------------------------------------------------------------------------

题号:7 题型:单选题(请在以下几个选项中选择唯一正确答案) 本题分数:5
内容:
News reports say peace talks between the two countries have ____ with no agreement reached.
选项:
a、broke down
b、broke out
c、broke in
d、broke up
--------------------------------------------------------------------------------

题号:8 题型:单选题(请在以下几个选项中选择唯一正确答案) 本题分数:5
内容:

图形:
选项:
a、
b、
c、
d、
--------------------------------------------------------------------------------

题号:9 题型:单选题(请在以下几个选项中选择唯一正确答案) 本题分数:5
内容:

图形:
选项:
a、
b、
c、
d、
--------------------------------------------------------------------------------

题号:10 题型:单选题(请在以下几个选项中选择唯一正确答案) 本题分数:5
内容:
Mrs. White found her husband surrounded by letters and papers and ____ very worried.
选项:
a、look
b、looks
c、looking
d、to look
lsajrj1年前1
掏心的人 共回答了21个问题 | 采纳率85.7%
1. B in that后面是对similar的解释.
2. 看不到
3. C more than his imagine超出他的预期
4. A devote to固定搭配
5. D require后面是个宾语从句,whoever在里面做主语所以用主格,be是因为是虚拟语气而且省去了should.
6. 看不到
7. D break up关系破裂
8. 看不到
9. 看不到
10. 我猜是C,如果不是C就是A.我忘了...
光合作用中,光反应是为暗反应预备是么?请问怎么探究能量的转换过程?
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光反应为暗反应准备的氢和ATP
能量转换过程
暗反应同位素标记法标记C原子.
光反应同位素标记法标记O原子.
希望对你有用诺
求阴影部分面积和周长【预备数学】 急!速度采纳! 数据是:d=20cm,45°
asia091年前0
共回答了个问题 | 采纳率
一道预备的数学题一个长方形的操场,长90米,宽66米,在四角和四周种上树苗,是的乡里的两棵树间的距离都相等,最远应每隔多
一道预备的数学题
一个长方形的操场,长90米,宽66米,在四角和四周种上树苗,是的乡里的两棵树间的距离都相等,最远应每隔多少米种一棵?一共需要树苗多少棵?
zlzero1年前5
蓝莲花9 共回答了20个问题 | 采纳率90%
90的约数2,3,5,6,9 ,10,15,30,45 ====
66的2,3,6,22,33====
可以看出他们最大公约数是6..
而90/6+1=16 ==【加1是因为有n个空挡那么就会有n+1 棵树】
66/6+1=12
所以,最远应每隔6米种一棵.
16*2+12*2=56
56-4=52====[减去四角重复计算的4棵]
所以,一共需要树苗52棵.
苏教版七年级英语同步导学英语预备课程第六单元答案
huyangQq1年前1
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你自己写,这样才能上好学
英语问题(预备)填空:Mike ate 3 hamburgers.Mary ate 5 hamburgers.(保持同意
英语问题(预备)
填空:
Mike ate 3 hamburgers.Mary ate 5 hamburgers.(保持同意)
Mary ate_____ hamburgers_____Mike.
Mike ate_____ hamburgers______Mary.
Mike_____eat______ ______ hamburgers_______ Mary.
superzzm1年前2
NoRiS 共回答了16个问题 | 采纳率93.8%
Mary ate_more____ hamburgers__than___Mike.
Mike ate___less__ hamburgers__than____Mary.
Mike___doesn't__eat___the___ ___same___ hamburgers__as_____ Mary
初一英语新课标预备教程有哪些近反义词
苗oοО1年前3
sd2403037 共回答了17个问题 | 采纳率82.4%
反义词 long_ short new_ old interesting_ boring found_ lost happy_ sad old_kid difficult_ relaxing ask_answer in front of_behind on_ under left_ right
take_bring old_ young sir_ madam Mr_Mrs there_here
近义词 near_next_next to_around when_what time found_find fun_interesting good_well friend_pal up_down funny_ interesting smart_cute smart_cleve
上海市黄浦区立达中学预备2班作业,是做什么作业,作文题目之类的
上海市黄浦区立达中学预备2班作业,是做什么作业,作文题目之类的
急求,不小心搬家做什么那张纸丢了
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hankong123 共回答了22个问题 | 采纳率81.8%
语文
6张卷子
作文
我给老师写封信
无命题作文
数学
10张卷子
英语
5张卷子
a happy day i n my summer holiday作文
我也是这届立达的
10年上学期大学英语预备作业2Carbon dioxide consists ____ carbon and oxyge
10年上学期大学英语预备作业2
carbon dioxide consists ____ carbon and oxygen.
选项:
a、about
b、of
c、for
d、with
he spoke in such a low voice that he couldn’t make himself ______.
选项:
a、heard
b、hear
c、to hear
d、be heard
the project ______ by the end of this year will expand the city’s telephone network to cover 1,000,000 users.
选项:
a、accomplished
b、being accomplished
c、having been accomplished
d、to be accomplished
soon after an event takes place,newspapers are on the streets ______ details.
选项:
a、to give
b、giving
c、given
d、gives
it was funny that when ______ mary began to weep sadly.
选项:
a、praised
b、praising
c、being praised
d、having praised
______,we stopped to look at the map.
选项:
a、knowing not which road to take
b、not knowing which road to take
c、not knew which road to take
d、not to be known which road to take
______,we forgot our one o’clock class.
选项:
a、absorbing in our conversation
b、though absorbed in our conversation
c、absorbed in our conversation
d、to absorb in our conversation
they are amazed _____ the development of the small town.
选项:
a、with
b、at
c、upon
d、***
the school library is well-equipped with protections ____ fire.
选项:
a、against
b、about
c、at
d、for
the house long ______ by careless owners was finally restored last year.
选项:
a、neglecting
b、neglect
c、were neglected
d、neglected
______,the price would be reasonable.
选项:
a、all things are considered
b、for all things to consider
c、all things considered
d、if all things considered
when i told her the news,i found a(n) ______ look on her face.
选项:
a、surprised
b、surprising
c、surprise
d、surprisingly
i meant to reason ____ him,but he won’t listen.
选项:
a、with
b、for
c、at
d、after
she was angry that she felt like ______ something at him.
选项:
a、to throw
b、to have thrown
c、having thrown
d、throwing
he locked the door,______.
选项:
a、thus made sure no one would interrupt him
b、thus making sure no one would interrupt him
c、though made sure no one would interrupt him
d、although to make sure no one would interrupt him
he has to realize that his failure lies _____ his laziness.
选项:
a、about
b、past
c、to
d、inhe was excused ___ attending the meeting because of some emergency at home.
选项:
a、from
b、under
c、down
d、like
the children stood on the pavement,______.
选项:
a、watching the buses coming and going
b、watched the buses coming and going
c、when watched the buses coming and going
d、when to watch the buses coming and going
the *** is responsible ____the nation’s welfare.
选项:
a、along
b、between
c、for
d、during
it is no use ______ that you didn’t know the truth.
选项:
a、pretend
b、to be pretending
c、pretending
d、pretended
美丽人生781年前1
cyf59 共回答了21个问题 | 采纳率95.2%
1.B 2.A 3.A 4.B 5.D 6.B 7.C 8.B 9.A 10.D 11.C 12.B 13.A 14.D 15.B 16.D 17.A 18.A 19.C 20.C
一道物理题,AP预备的...加速度是向下的,有一个不变的比例为0.15g
一道物理题,AP预备的...加速度是向下的,有一个不变的比例为0.15g
Suppose the elevator now accelerates down-
ward at a constant rate of 0.15 g.
What is the ratio of the new scale reading
to the value W of the scale reading when the
elevator is at rest?
1.
Fscale
W
= 2.0
2.
Fscale
W
= 0.85
3.
Fscale
W
= 1.0
4.
Fscale
W
= 1.15
5.
Fscale
W
= 1.85
6.
Fscale
W
= 2.15
7.
Fscale
W
= 0.15
srh81年前2
gfpdx 共回答了21个问题 | 采纳率95.2%
Draw free body diagram,and then write balance in vertical direction:
mg - N = ma,where N is the normal force = the new scale reading
Plug in a = 0.15 g,and solve for N,
N = 0.85 mg
So,the ratio is N/(mg) = 0.85mg/(mg) = 0.85
Answer:#2
美国高中数学物理教师
英语记发今年我读预备,眼看就要开学了,我翻了一下英语书,第一课中讲的是东南西北的问题,其实我的英语很好,在班中一直处于领
英语记发
今年我读预备,眼看就要开学了,我翻了一下英语书,第一课中讲的是东南西北的问题,其实我的英语很好,在班中一直处于领先地位,可是因为从小中文的东南西北我分不清,所以连带着英语也分不清,我不知道哪里是西,英语是west吗?虽然别人说上北下南左西右东,可是我发现是行不通的,有什么办法可以让我记住这四个英语单词,并且不混乱呢?
4个单词的方位,首字母 前本身前。5个单词的方位,首字母 前本身后。
只看懂一半
laner1231年前6
now2046 共回答了24个问题 | 采纳率91.7%
很容易.东南西北 E SNW.你记住东西2个方位.首字母排位在前的是东.在后的为西.南北则反之 ...就是 4个单词的方位,首字母 前本身前.5个单词的方位,首字母 前本身后.
求巧学英语预备分册(上)Exercise5答案!
求巧学英语预备分册(上)Exercise5答案!
1 Let’s talk______our programme for our Open Day
A to B about C with D for
2 Open Day is a day_____parents visit the school
A when B how C what D which
3 I'm sure you know the different _____"look at"and"watch"
A from B for C to D between
4 There_____a football match on TV this evening
A will have B is going to be C has D is going to have
5 There is not enough food for evevrone here(一般将来时)
6 The children's parents visited our schooo yesterday(一般疑问句)
7 Miss guo was an_______three years ago(art)
8 It"s only____walk,so you can get here the school
A half an hour's B half an hour C half an hours D half an hours'
yaosongmiaofei1年前4
如此难过 共回答了19个问题 | 采纳率78.9%
4.B A D B
5.There won't be enough food for everyone here.
6.Did the children's parents visit our school yesterday?
7.artist
8.A
求一篇预备年级的英语作文,“兴”在参与
求一篇预备年级的英语作文,“兴”在参与
写一篇关于节日的英语作文(自创)
如:the Gragon Boat Festival
Why do people celebrate the Gragon Boat Festival?
When do people celebrate the Gragon Boat Festival?
What can l do in the Gragon Boat Festival?
.可写其他的东西
要求:内容50字以内,语句通俗,无语法错误,必须自创)
lukeamon1年前1
imetang 共回答了22个问题 | 采纳率95.5%
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成语迷(初中预备)1.白居易五十大寿诞(打一成语)2.()(前括号中填三国人物)——路人皆知3.报名上夜校(打刊物名三)
成语迷(初中预备)
1.白居易五十大寿诞(打一成语)
2.()(前括号中填三国人物)——路人皆知
3.报名上夜校(打刊物名三)
4.曹操有,刘备没有,孔明有,孙权没有(打一字)
5.《战争与和平》是俄国作家()的作品
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乐天知命 (白居易字乐天,五十而知天命)
司马昭之心
.
预备英语辅导报2012年第9期答案
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