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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·填空题看病

Doctor:Good morning.What's your trouble? Woman:I don't feel very well. D:(66) . W:Yes,I have.My temperature is a little higher. D:Open your mouth and say"Ah". W:Aahh D:(67) . W:Ever since last night. D:Did your sleep wel

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九年级·英语·填空题看病

Kate:I am here to see Dr.White. Nurse:(66) .Just stay here and wait for your turn.Dr.White will be right here. Doctor:(67) . Kate:I have a pain in my throat.Though I am hungry,I don't feel like eating anything at all. Do

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九年级·英语·填空题看病

Mum:(1) ,my son? Son:My head is hurting.(2) . Mum:(3) ? Son:No,thanks.I'm not hungry. Mum:(4 ) . Son:The doctor!Oh,no!(5) .I can go to the school. A.My he ad is not hurting now.B.What's the matter? C.Wou ld you like to e

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九年级·英语·匹配题打电话

(2023·苏州模拟)句子匹配 A. He's thirty. B. I can read books. C. Yes, he does. D. I'm sorry. E. The Spring Festival. F. She has a cold. G. Yes, speaking. H. Twenty-eight yuan. I. I was in the library. J. Yes, I'd love to. 【小题】—Is

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七年级·英语·填空题过去完成时

Week Time Monday Tuesday Wednesday Thursday Friday 9:10 Math Math English 10:30 Science History Science Science 11:15 History 1:45 Geography Geography Geography 3:00 English Math 根据时间表内容,选择正确答案. (1)What lesson do they ha

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七年级·英语·填空题过去将来时

Mr Liu stopped teaching us English when he retired. (同义句转换) Mr Liu ______ ______ ______ ______ he retired.

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七年级·英语·填空题过去完成时

布朗先生见到我的时候很激动,我们拥抱了彼此. Mr Brown was excited to see me and we__________________

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七年级·英语·填空题过去将来时

My son told me his dream ______(visit)Disneyland yesterday.

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七年级·英语·填空题过去完成时

had better,Canada ______

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七年级·英语·填空题过去完成时

火车将在十点钟离开车站去广州. The train will ____________Guangzhou at 10 o\’clock from the station.

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九年级·英语·填空题现在完成进行时

他和戴维都不为失去权利和财富而担心. ______he ______David worried about ____________or ______.

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九年级·英语·选择题问候

Paula used to be ________.She was always silent in class.( )

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七年级·英语·选择题过去将来时

Kitty has had a visit _____Beijing.( )

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七年级·英语·填空题问候

A:Good morning,Mike!Wow!Your new bike looks very nice. B:(1)______. A:Do you usually come to school by bike? B:(2)______.My home is not far from our school,so I ride a bike to school every day. A:I really admire(羡慕) you.

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七年级·英语·填空题问候

How did you spend your summer and winter vacations?Did you visit other places?Or did you just stay at home and watch TV?As for 14-year-old Wang Ziyue,he had a(1)______(specially) way of spending his vacations.The boy spe

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七年级·英语·填空题一般现在时的被动语态

We must keep quiet in the library.(改为祈使句) Please ______in the library.

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七年级·英语·填空题过去将来时

对于这个职位他没有足够的经验. He doesn\’t have enough ______ for the position.

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七年级·英语·填空题过去完成时

怀特先生向我要那本书. Mr.White ______ me ______ the book.

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七年级·英语·选择题过去将来时

We will have lunch after _____ the Palace Museum.

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七年级·英语·填空题问候

A:Hello!I\’m Jenny.(1)______ B:My name is Tina. A:(2)______ B:Green. A:What\’s your telephone number? B:(3)______ A:Tina,is she Mary? B:(4)______ She is Cindy. A:(5)______ B:He is Mike,Mike Brown. A.What\’s your last nam

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