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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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九年级·英语·填空题主语+及物动词+宾语+宾语补足语

the,me,invited,she,concert,to(.) .

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九年级·英语·填空题教育文化类阅读

Let children learn to judge(判断) their own work.A child doesn't learn to talk by being corrected all the time.If he is corrected too much,he will stop talking.He notices a thousand times a day the differences between the

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九年级·英语·填空题教育文化类阅读

Some English words have more than one meaning.These are called multi-meaning words. Multi-meaning words have the same pronunciation with different meanings.For example,let's look at the word"ball".You could have a"ball"w

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九年级·英语·填空题教育文化类阅读

Dear Aunt Tara, I have a problem with my homework.We have to do it in a group.It has to be finished this Friday,But Gary,the boy in our group,has done nothing helpful.He just keeps rocking the boat .Every time we talk ab

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九年级·英语·填空题教育文化类阅读

Have you ever wanted to see the Great Wall of China,or win an Oscar for Best Director,or swim with dolphins(海豚)?If so,you are not alone.We all have things we want to do or achieve.These are part of our"bucket lists".A bu

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九年级·英语·填空题教育文化类阅读

Students who get tired of looking at the four walls of a classroom might like to take the nature course being offered by Carvel College again this summer.Groups of about a dozen students each,led by an experienced guide,

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八年级·英语·填空题阅读表达

Sometimes I buy fruits and forget to eat them.It\’s a w ______ (浪费) of money.

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七年级·英语·填空题阅读表达

Dear David, How are you?I\’m in Beijing now.I like Beijing a lot.I have two good friends here.They are Tom and Wang Xin.Tom is in Class Three and Wang Xin is in Class Two.Wang Xin and I are in the same class.He often(经常)

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八年级·英语·填空题阅读表达

Chinese writer Mo Yan got the 2012 Nobel Prize in Literature.He is the first Chinese writer to (1)w ______ the prize.Mo Yan was born into a farmer\’s (2)f ______ in Gaomi,Shandong,in February,1955.Little Mo Yan enjoyed r

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九年级·英语·选择题现在完成时的被动语态

Mo Yan’s novel Frogs ______into many languages since it came out in 2009.

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七年级·英语·选择题一般疑问句

— he well in Maths? —No,he good at it.( )

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七年级·英语·填空题一般疑问句

用T或F判断单词画线部分发音是否相同. ______ There is a c ow near the wind ow of that h ou se.

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七年级·英语·填空题一般疑问句

I stayed at home last night.(改为一般疑问句) ______

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七年级·英语·填空题一般疑问句

写出划线部分在本句中所作成分. I cleaned the room yesterday. ______

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七年级·英语·填空题一般疑问句

The chair is white .(对画线部分提问) ______is the chair?

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七年级·英语·选择题一般疑问句

—______ he from Canada? —Yes,he is.( )

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八年级·英语·填空题社会文化类阅读

My good friend Laura is my cousin.She is one year(1)______ ( young) than me.She lives in Aksu.We both enjoy swimming.We swim together(2)______(one) a week. Though we have the same hobby(爱好),we have some (3)______( differ

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九年级·英语·填空题社会文化类阅读

Many people love eating pancakes.But do you know (1)______ is a festival called Pancake Day in England? Pancake Day happens every year,but not (2)______ the same day.It\’s between February 2nd and March 9th,41 days befor

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七年级·英语·填空题社会文化类阅读

It\’s our ______(责任,义务) to help the people in need.

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九年级·英语·填空题社会文化类阅读

Have you ever tried to find something in your cupboard but the inside was a complete mess?You may need a decluttering consultant(整理收纳师). Li Jiaxin,30,started her own business two years ago,forming a team in Beijing."I wa

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