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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·单词拼写Unit 2 Plant a Plant

(2020 原创 )Reading, writing, listening and speaking are b ________ skills in English learning.

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八年级·英语·填空题Unit 2 Plant a Plant

(2020 原创 )Today, I saw many ________ (rabbit) in the central park this morning.

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八年级·英语·填空题Unit 2 Plant a Plant

(2020 原创 )This is the ________ (large)river I have ever seen.

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八年级·英语·填空题Unit 2 Plant a Plant

(2020 原创 )Please put on your coat. It's ________ (wind) outside.

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八年级·英语·连词成句Unit 3 Animals Are Our Friends

didn't, any, eat, meat, I _____________________ .

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八年级·英语·连词成句Unit 3 Animals Are Our Friends

bought, books, read, to, I, some _____________________ .

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八年级·英语·连词成句Unit 3 Animals Are Our Friends

there, any, questions, are _____________________ ?

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八年级·英语·连词成句Unit 3 Animals Are Our Friends

some, need, I, bread, for breakfast _____________________ .

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八年级·英语·填空题Unit 3 Animals Are Our Friends

Recently I had a trip to Sydney with my parents. Our 【 1 】 (one) stop was the Wildlife Park. The Wildlife Park has lots of different 【 2 】 (animal). Some are native to Australia and can only be 【 3 】 (find) there. There

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八年级·英语·单词拼写Unit 3 Animals Are Our Friends

The sweater made ______ hand feels soft. I want to buy it.

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八年级·英语·单词拼写Unit 3 Animals Are Our Friends

People in this area has cut ______ so many trees to build houses. It is bad for our environment.

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八年级·英语·单词拼写Unit 3 Animals Are Our Friends

Never d ______ on your parents too much. You should learn to be independent.

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八年级·英语·连词成句Unit 4 The Internet Connects Us

is, anything, there, with, wrong, bike, my ________________________________________________________________________ ?

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八年级·英语·连词成句Unit 4 The Internet Connects Us

park, there are, flowers, so many, the, in ________________________________________________________________________ .

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八年级·英语·连词成句Unit 4 The Internet Connects Us

some, can, I, questions, ask, you ________________________________________________________________________ ?

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八年级·英语·任务型阅读Unit 4 The Internet Connects Us

Thousands of years ago, Britain was covered by thick forests, home to many animals which no longer live in the United Kingdom. There were wolves and bears, many different kinds of deer and large wild cows. There were les

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八年级·英语·阅读理解Unit 4 The Internet Connects Us

It's incredible to think that people haven't even been using the Internet for 30 years. When the Internet was first used, you had to connect through a telephone line and it could be very slow.Things have changed a lot si

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八年级·英语·填空题Unit 4 The Internet Connects Us

Recently, it was reported that one special kind of white rhino( 白犀牛 ) from Africa just passed away. It is the 【 1 】 (four) time to learn news like this. And not the last time 【 2 】 (possible). What 【 3 】 great pity! The

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八年级·英语·单词拼写Unit 4 The Internet Connects Us

(2020 原创 )We will keep ________ practicing this song. We believe practice makes perfect.

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八年级·英语·单词拼写Unit 4 The Internet Connects Us

(2020 原创 )The k ________ to solve this problem is to find a proper way.

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