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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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九年级·英语·选择题现在完成时的被动语态

—Do you need any help? —No, thanks. We ______________ a lot of support since last year.

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九年级·英语·选择题现在完成时的被动语态

Customers are asked to make sure that they __________the right change before leaving the shop.

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九年级·英语·选择题语态的辨析

---What a beautiful garden you have!Your father must be a good gardener. ---Thanks,some flowers ____________ by him in the garden yesterday.( )

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七年级·英语·句型转换语法

They have lessons at school every day. (用now改写句子) They ____________lessons at school now.

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七年级·英语·句型转换语法

I don't like the lion (对画线部分提问) ____________you like the lion?

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七年级·英语·句型转换语法

You can't eat in the classroom.(改为否定祈使句) ____________in the classroom.

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七年级·英语·选择题历史文化类阅读

-Oliver,this is my pen pal Lina.She lives in Sydney. - Oh,does she come from _______?( )

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八年级·英语·填空题历史文化类阅读

I will take a French ______(课程) because learning foreign languages is fun.

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七年级·英语·填空题连词成句

运动帮助我们保持健康. ______ helps ______.

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七年级·英语·填空题连词成句

A:Hello!My name is Henry. (1)______? B:My name is Dale. A: (2)______,Dale. B:Nice to meet you,too,Henry. A: (3)______,Dale? B:It\’s 835-4421. (4)______? A:Yes,they are my books. B: (5)______? A:Yes,he is.We are twins.His

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八年级·英语·填空题连词成句

小约翰喜欢装扮成一个警察. Little Jone likes to ______ ______as a policeman.

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七年级·英语·解答题小作文

请以"Class Rules" 为题写一下你们的班级制度,不少于5句话.

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七年级·英语·选择题连词成句

She hopes ________ to her party.( )

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九年级·英语·填空题连词成句

阅读短文,从方框中选择适当的词并用其正确形式填空,使短文通顺、意思完整.每空限填一词,每词限用一次. realize you what possible know mind plan brave hard dream Life is full of ups and downs.Sometimes we have to be our own light to make our own life bright. When I was in

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八年级·英语·填空题英译汉

He returned to his hometown after he left school. (保持句意基本不变) He ______ return to his hometown ______ he left school.

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八年级·英语·填空题英译汉

I don\’t know,sir MR Throgmorton was giving his usual weekly class on English history.He noticed that someone at the back of the room seemed to be playing with something. "You at the back!"he shouted."When was the Magna

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八年级·英语·填空题英译汉

Animals are important for us.Some people see animals as their friends,and some even like keeping a cat or a(an)(1)______ at home because they\’ re cute. After bringing them home,animals can (2)______ with people for a lo

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八年级·英语·填空题连词成句

阅读短文,从下面方框中选择适当的词并用其正确形式填空,使短文通顺、意思完整.每空限填一词,每词限用一次.并将答案写在答题卡上. almost make build become both heart decide famous beautiful interest Not everyone can make their dreams come true.But Walt Disney(迪士尼) could. Usually,mice a

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七年级·英语·填空题连词成句

用正确的大小写、标点符号,将下面的句子抄写到四线格上. there are three buildings and a playground in my new school. ______

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八年级·英语·解答题小作文

同学们,我们都很期待周末的到来吧,你一定有很多自己想做的事情.请根据要求,以" My Weekend Plan"为题,发挥想象,写一篇专属你的周末计划吧! 要求:(1)文中不得出现考生的真实姓名和学校名称; (2)词数80左右. My Weekend Plan

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