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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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七年级·英语·句型转换语法

- ____________does it take you to get to work?(how) - It takes about 15 minutes.

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八年级·英语·填空题逸闻趣事类阅读

popular be they appear believe help give kind strip make Do you know Garfield?He is a character of a comic strip.He first(1)______ in the comic strip on June 19,1978.Garfield is famous for a cartoon.Lots of Garfield book

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八年级·英语·选择题历史文化类阅读

As we all know,Hainan Island is island in our country.( )

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七年级·英语·解答题历史文化类阅读

假如你是韩林,你叔叔有一个农场,请根据以下问题,写一篇短文,介绍一下这个农场. 1)Is it a big or small farm? 2)What animals does the farm have? 3)What colors are the animals? 4)Are there any trees or flowers on the farm? 5)What can you do on the farm? 要求: 1.条理

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七年级·英语·填空题状语从句

这个盒子太重了!装满了杂志. The box is too heavy!It\’s __________________.

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七年级·英语·填空题状语从句

the boy on the bike ______

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九年级·英语·选择题状语从句

---Tina wants to know if you _________ to the park with us tomorrow. ---I\’d love to.But if it _________,I may go to the library instead.( )

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九年级·英语·选择题一般现在时的被动语态

Today, more and more families ______ to take part in community service.

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八年级·英语·填空题不定式

The teacher asked us to read ______(从头到尾) all the new words after class.

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七年级·英语·选择题不定式

I ______ a bike the day before yesterday.( )

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九年级·英语·填空题阅读排序

A group of swans flew down to a beach where a crow(乌鸦) was jumping around.The crow watched them with disdain(鄙视). "You have no flying skills at all!"he said to the swans."All you can do is to move your wings.Can you turn

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九年级·英语·填空题阅读排序

Once upon a time,some visitors went to an island for a vacation,and each was having a good time.Suddenly a warning of a strong storm came to them,so all rushed to their boats.Yet,Love did not wish to run away quickly.The

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九年级·英语·填空题阅读排序

Mr.Jones,the owner of a farm,was one day driven out of the farm by all theanimals he kept.The animals were excited to be masters of their farm.Animalsmade seven rules of their own and Snowball painted them on the wall. 1

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七年级·英语·选择题主谓一致

---Listen!Who the piano?Sounds ! ---It\’s my neighbour,she is a piano teacher.( )

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八年级·英语·选择题祈使句

________,and you will be healthier.( )

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七年级·英语·填空题祈使句

is,her,Amy,than,sisters,thinner,two (.) (连词成句) ______

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九年级·英语·选择题语态的辨析

When you_______ something,you should_______"Thank you".( )

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九年级·英语·选择题语态的辨析

The laptop _____ in Japan in 1985.It is used for studying.( )

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九年级·英语·选择题语态的辨析

---Do you know who ____ the tomb of Emperor Qin and who ___ the mobile phone? ---No,but we may ask our teacher.( )

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八年级·英语·填空题阅读判断题

A brand new year has come with wishes and hopes.Do you want to make any changes in 2024? Wang Yeqing,14,from Shanghai: I want to learn the piano in 2024.I wasn\’t interested in it until I saw my neighbor playing it on my

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