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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·填空题Section A

从括号中选择合适的单词填空 【1】I finished my homework just now.Let's get _____(something/anything)to read. 【2】Is there _____(someone/anyone)in the language lab? 【3】—Did you find ___(something/anything)interesting in today's newspaper?

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八年级·英语·单词拼写Section A

根据句意及首字母或汉语提示完成单词 【1】When I work for a week,I will get _____(厌倦的). 【2】My pen is lost and I can't find it _____(在任何地方). 【3】Tom's birthday party was very _____(精彩的)and we all had a good time. 【4】Quite a _____(不少)students h

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八年级·英语·阅读理解Section A

阅读理解 Last vacation,Linda went to New York with her family.She had great fun there. Day 1 I went to New York with my family on vacation.It was sunny and warm.Everything was so great here!People call New York “the city tha

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八年级·英语·填空题Section A

A Frenchman went to visit New York.He didn't know English.When he _______ New York,he _______ a bus to a hotel. It was Sunday.The Frenchman went out _______ a walk.When he went _______ the street,he suddenly _______ his

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八年级·英语·填空题Section A

阅读下面短文,按照句子结构的语法性和上下文连贯的要求,在空白处填入一个适当的词或使用括号中词语的正确形式填空。 Different students went to different places on vacation.Tina went to the mountains 【 1 】 her family and she 【 2 】 (have)a good time there.Tom 【 3 】 (go)to summer ca

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八年级·英语·填空题Section A

用方框中所给单词或短语的适当形式填空 relax;play;go;someone;have; draw;leave;study for tests 【1】Wei Hua __________ a busy day the day before yesterday. 【2】—Did you _________ the violin in the art room yesterday? —No, I didn't.I __________

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七年级上·英语·翻译Section A

她有—本英语词典吗? she an English dictionary?

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七年级上·英语·翻译Section A

我的哥哥有五个排球。 My brother five .

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七年级上·英语·翻译Section A

汤姆和琳达有一个足球。 Tom and Linda a soccer ball.

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七年级上·英语·翻译Section A

你有一个乒乓球拍吗? Do you have a ?

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七年级上·英语·翻译Section A

让我们去教室吧! to the classroom!

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七年级上·英语·翻译Section A

他上学总是迟到。 He always for school.

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九年级·英语·填空题Unit 2 I think life is better today.

Mrs. Li, my neighbor, told me something about life in the past and how life had changed. In the past her family lived in a very 【 1 】 ( 极小的 ) house. There were no 【 2 】 ( 用电的 ) lights. They could only use 【 3 】 ( 蜡烛 ). H

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九年级·英语·选择题Unit 2 I think life is better today.

The couple _________ for over 20 years, and they love each very much.

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九年级·英语·单词拼写Unit 2 I think life is better today.

【题目】根据下面短文内容,在短文的空格处填上一个恰当的词,使短文完整、通顺。 A big company wanted to find someone to work for them. Lots of young college students came to __ 【1】 _ for the job, but only a small part of them were left. And this time, the compa

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九年级·英语·阅读理解Unit 2 I think life is better today.

Thanks to better health care, most people are living healthier and longer lives. Someone who is born today can expect to live about thirty-five years longer than someone who was born in the nineteenth century. It is even

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九年级·英语·任务型阅读Unit 2 I think life is better today.

"I will never find time to learn this difficult lesson, "said Robert to Frank as they left school. "I can't do it by tomorrow." "You have ten minutes before lunch. Why not begin right away?" asked his brother. "Ten minut

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九年级·英语·填空题Unit 2 I think life is better today.

"If you agree with me, please 'Dian Zan'" is one of the most popular sentences on the Internet. When you think someone's ideas are right, when you think someone's articles are _____ , or when you are moved by what someon

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八年级·英语·单词拼写/单词释义Section B

上网 ______

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八年级·英语·单词拼写/单词释义Section B

每天 ______

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