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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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八年级·英语·选择题不定式

They were ____about this _____football match．（）

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八年级·英语·填空题逸闻趣事类阅读

When I told the joke,everyone in the room burst into laughter.（paraphrase） =When I told the joke, ______.

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八年级·英语·填空题状语从句

spend,yesterday ______

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八年级·英语·选择题祈使句

Jack,_____ play around here．Your mother is sleeping now．（）

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八年级·英语·填空题历史文化类阅读

Last week,Shiyan Middle School made a survey about students\’ favorite sports.Here are some students\’ answer. Some students\’ favorite sports PE is difficult but I like it very much.I am in our city sports club.The memb

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八年级·英语·填空题状语从句

Today,students can join many after-class a ______.

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八年级·英语·填空题句型转换

Rick runs the fastest in his school. Rick runs ______ any other student in his school.

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八年级·英语·填空题句型转换

Maybe you have heard about"City bu city"（city or not city）.This phrase was created by a foreign blogger Baobaoxiong during his visit to the Great Wall and became popular.It\’s a way to ask if a place has the fashionable

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八年级·英语·选择题句型转换

He was kind and ______ to share his lunch with a hungry stray dog.（）

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八年级·英语·选择题主谓一致

- Did you go shopping on May lst? - No.___too many people in the shop.（）

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八年级·英语·填空题判断推理

Last Sunday my parents did not work and they decided to take my brother and me to Disneyland on vacation. In the morning,my brother and I got up late and we didn\’t have time to eat breakfast.So we ordered two glasses of

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八年级·英语·填空题ing形容词和ed形容词

Do you know the two lovely mascots（吉祥物）?You may know the five "Fuwa" dolls from the Beijing 2008 Olympic Games .On September 17,the two lovely mascots first showed on TV.Now,let\’s see who they are . Panda is recognized

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八年级·英语·选择题ing形容词和ed形容词

This film isn\’t _______ so that nobody is ________ in it.（）

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八年级·英语·选择题代词辨析

— The lights are off,so I can\’t see anything.Could you please ? — No problem!（）

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八年级·英语·选择题代词辨析

-Do you love your parents? -Yes,of course.________in my life is more important than them.（）

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八年级·英语·选择题代词辨析

Our teachers always tell us to believe that ______ is difficult as long as we keep trying hard.（）