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#1 · 常错题

#2 · 常错题

将循环小数化为分数:整数、有限小数、循环小数都可以化成分数,整数和有限小数化成分数容易,循环小数如何化成分数呢?请看下面的例子. 将循环小数$0.288\ldots $化成分数:将$0.288\ldots $分别乘$10$和$100$,得$2.88\ldots $和$28.88\ldots $,两个得数相减得$26(两个得数小数部分相同)$,而相减所得的$26$应该是$0.288\ldots $的$\left(100-10\right)

#3 · 常错题

今年市委市政府积极推进创建“全国文明城市”工作,市创城办公室为了调查初中学生对“社会主义核心价值观”内容的了解程度\((\)程度分为:“\(A-\)十分熟悉”,“\(B-\)了解较多”,“\(C-\)了解较少”,“\(D-\)不知道”\()\),对我市一所中学的学生进行了随机抽样调查,根据调查结果绘制了两幅不完整的统计图如图,根据信息解答下列问题: \((1)\)本次抽样调查了多少名学生; \((2)\)补全条形统计图和扇形统计图; \

#4 · 常错题

#5 · 常错题

一批水果的标准质量是$30$千克,超出标准质量记为正,低于标准质量记为负,现记录如下:$+8$,$-9$,$-5$,$+7$,$-8$,$-6$,$+7$,$+10$. $(1)$这批水果总共有多少千克? $(2)$第一天按每千克价格$5$元卖出了这批水果的一半,第二天为了吸引顾客把第一天卖水果的价格降价$20\%$后作为新的价格,卖完了剩下的水果,请计算一下这批水果一共卖了多少钱?

#6 · 常错题

分类讨论思想是数学的重要思想,在学习有理数的过程中,也深有感受$!$ $(1)$当$ab \lt 0$时,若$b \gt 0$,$|a| \lt |b|$,则$a+b \_\_\_\_\_\_0$; $(2)$当$abc \lt 0$时,若$ab \gt 0$,则$c \_\_\_\_\_\_0$; $(3)$已知$a$,$b$,$c$是非零有理数,则$\frac{a}{|a|}+\frac{b}{|b|}+\frac{c}{|c|}=

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八年级·英语·填空题判断推理

My friend Mr.Johnson is a famous doctor and has a hospital.So he has enough money to(1)______ all over the world.And he\’s been to a lot of places of interest.He likes to play with children and has a lot of little(2)____

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七年级·英语·填空题判断推理

A:Hi,Mike. B:Hi,Tony. A:My friend Paul lost his phone in our house.I must find it.(1)______ B:Yes,I can.(2)______ A:It is blue. B:I see.Oh,it isn\’t on the table.(3)______ A:No,it isn\’t.I can see your jacket on the sofa

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九年级·英语·填空题判断推理

On the Mid-Autumn Festival night,people ______ out fruits and desserts on the table.

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八年级·英语·填空题判断推理

Chinese people have been celebrating the Mid-Autumn Festival for centuries.People celebrate it by admiring the moon and enjoying the mooncakes with their families.Influenced by Chinese culture,the Mid-Autumn Festival is

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七年级·英语·选择题配对阅读

Jack loves ______ music,and it can make him happy.( )

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九年级·英语·填空题配对阅读

Autumn Equinox (秋分)is an important event in many cultures and traditions around the world.It is on September 22nd this year.On this day,people have some special activities to celebrate it. Standing eggs up on their ends

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七年级·英语·填空题配对阅读

Reading ten ______(一千) books is good for us because books can open up our eyes.

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七年级·英语·填空题配对阅读

Missing "LOST CAT" Name:Lele Age:4 years old The day I lost it:2023/11/6 About it:Lele is a white and black cat.Its eyes(眼睛)are yellow.It wears a blue collar(颈圈).It is very friendly. I really want to find my cat.⊗⊗ If(如果

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八年级·英语·填空题配对阅读

Qinghai Lake is the largest and ______ (深的) lake in China.

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七年级·英语·选择题广告布告类阅读

Anyone who is in joining our club can e-mail us at mary@163.com.( )

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九年级·英语·填空题广告布告类阅读

Babysitter Wanted Do you like children?Do you have free time in the afternoon?We need a babysitter for our son.He is five years old.Hours are 3:00 p.m.to 6:00 p.m.from Monday to Friday.Sometimes you have to work on the w

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八年级·英语·填空题广告布告类阅读

There are three shirts,and the blue one is the ______(瘦的).

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九年级·英语·填空题广告布告类阅读

Word Bank:band乐队;pub酒吧;babysitter保姆;occasional偶尔的 Noticeboard A.Computer problems? Experienced IT engineer will sort out problems with home computers (PCs and Macs).Phone \’the Computer Doctor\’ now fora free estimate- 0

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七年级·英语·填空题广告布告类阅读

FARM-TO-FUN-TRIP AT HAPPY FARM When:1:00 pm--6:30 pm,Saturday,June 9 Cost(花费):Adults(成人):520 Kids(12 under):55 Where:Happy Farm E8984 Weinke Road Delicious Farm Lunch Vegetables and fruit▲ Beef and chicken ▲Cakes ▲ Drink

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九年级·英语·选择题广告布告类阅读

Oh,I get it —you want me to do all the work ________you sit at home doing nothing.( )

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九年级·英语·填空题首字母阅读填空

(54)M friends is a skill like other skills.It improves with practice.If you want to meet people and make friends,you must be willing to take some (55)a . You must first go where there are many people.You won't make frien

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九年级·英语·填空题首字母阅读填空

Do you know Earth Hour?Do you know when Earth Hour 2012 (60)t place? Earth Hour is a global(全球的) event (61)o by the World Wildlife Fund.It's (62)h on the last Saturday of March every year.People turn off their lights for

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九年级·英语·填空题首字母阅读填空

Nowadays,we can find advertisements almost (54)e we go.An advertisement uses words and (55)p to attract people to buy goods or (56)s .This kind of advertisements is (57)c commercial(商业) advertisements.Newspapers,magazine

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九年级·英语·填空题首字母阅读填空

True friends are hard to find.Often you thought you could believe in someone,b (66)later he or she may let you down (让你失望). A true friend is sometimes who will always be there for you.Through good times or b (67)times,th

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九年级·英语·填空题首字母阅读填空

The manager came into the office,followed by a girl.The girl was so pretty that all the workers s (71)to look carefully at her.Mr.Ball i (72)the newcomer to his workmates.The girl asked them to help her.Then she sat down

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