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#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·连词成句Unit 6 Go With Transportation !

in China, it, the, city, is, biggest ________________________________________________________________________ .

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八年级·英语·连词成句Unit 6 Go With Transportation !

problem, is, the, harder, I, than, imagine ________________________________________________________________________ .

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八年级·英语·连词成句Unit 6 Go With Transportation !

Jack, come, time, on, might ________________________________________________________________________ .

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八年级·英语·任务型阅读Unit 6 Go With Transportation !

China plans to build 3,200 km of new high­speed railways in 2019. It is expected that there will be the total length of more than 30,000 km. The 3,200 km of high­speed railways are part of the 6,800 km of new railways fo

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八年级·英语·填空题Unit 6 Go With Transportation !

When I was 15, I said to my classmates that I wanted to be a writer one day. All the _____ laughed at me. One of them said, “Don't be silly. Only geniuses ( 天才 ) can become writers.” I was deeply hurt and I couldn't help

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八年级·英语·填空题Unit 6 Go With Transportation !

Do you ride your bike to school? It's 【 1 】 (probable) a good idea because it's a good exercise. But in Europe and 【 2 】 US, not many kids go to school on their bicycles. They are usually 【 3 】 (take) to school in cars b

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八年级·英语·单词拼写Unit 6 Go With Transportation !

(2020 原创 )My home is not far away from school. So I go to school ________ foot every day.

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八年级·英语·单词拼写Unit 6 Go With Transportation !

(2020 原创 )I don't know the phone n ________ of John. So I can't get in touch with him.

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八年级·英语·连词成句Unit 7 Enjoy Your Hobby

my, actor, is, uncle, an ________________________________________________________________________ .

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八年级·英语·连词成句Unit 7 Enjoy Your Hobby

a, beautiful, she, girl, is ________________________________________________________________________ .

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八年级·英语·连词成句Unit 7 Enjoy Your Hobby

can, Lucy, herself, little, dress ________________________________________________________________________ .

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八年级·英语·填空题Unit 7 Enjoy Your Hobby

Billy's favorite color was orange. But it was 【 1 】 (possible) for him to see what orange looked like. “Billy would n 【 2 】 be able to see. He is b 【 3 】 . ” the doctor said. Even so, with the hope, Billy learned about 【

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八年级·英语·单词拼写Unit 7 Enjoy Your Hobby

I really want to know what people usually do in their s ________ time.

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八年级·英语·单词拼写Unit 7 Enjoy Your Hobby

He is a s ________ boy. So I believe he can work out this problem.

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八年级·英语·单词拼写Unit 7 Enjoy Your Hobby

My h ________ is writing. So I practice it every day.

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八年级·英语·填空题Unit 7 Enjoy Your Hobby

He walked towards me ________ (slow) and looked unhappy.

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八年级·英语·阅读理解Unit 8 Celebrating Me

We all admit that dreams play a very important part in our life. They can influence every aspect of our life. Almost every great achievement has been the result of years of dreaming. If a person has a dream and holds fas

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八年级·英语·填空题Unit 8 Celebrating Me

One day, Mr. White told the class to get ready for a hobby show. All the 【 1 】 (student) spent the whole morning getting what they were going to show. All the students came back on time e 【 2 】 Bob, the laziest boy in hi

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八年级·英语·单词拼写Unit 8 Celebrating Me

(2020 原创 )There will be a c ________ of Jay Chou in Chengdu two days later. Can you help me buy one ticket?

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八年级·英语·填空题Unit 8 Celebrating Me

(2020 原创 )There will be all kinds of ________ (program) in the party this evening. I hope you can come and enjoy it.

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