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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·填空题人物故事类阅读

I have a rule for travel:Never carry a map.I\’d like to ask for directions. Foreign visitors are often (1)______ in Japan because most streets there don\’t have names.In Japan,people use landmarks(地标) for their direction

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九年级·英语·填空题人物故事类阅读

Jack had a r ______(仓促) to catch the bus and didn\’t have time to say goodbye.

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八年级·英语·选择题人物故事类阅读

—Look!There is umbrella here.Is it yours? —Oh,no. umbrella is my sister\’s.( )

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九年级·英语·填空题人物故事类阅读

Last week,my grandma came to visit us.Mom booked (预定) a table at a restaurant for us to have dinner together. Once we took our seats,the waitress came to us with two (1)______.She passed one to me and the other to Grandm

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七年级·英语·填空题特殊疑问句

Those balls are black and white . (对画线部分提问) ____________ are those balls?

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七年级·英语·填空题特殊疑问句

Li Hua is from Beijing.(改为否定句) Li Hua ____________Beijing.

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七年级·英语·选择题特殊疑问句

-What\’s your brother like? -______.( )

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八年级·英语·选择题宾语从句

What\’s wrong with him?He doesn\’t look_____.( )

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七年级·英语·填空题特殊疑问句

I played football on Sunday (对划线部分提问) ____________you play football?

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七年级·英语·填空题特殊疑问句

I loved to play football before.(改为一般疑问句) ______

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七年级·英语·填空题特殊疑问句

He has Chinese and English on Thursdays.(对划线部分提问) What ______ he ______ on Thursday?

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九年级·英语·选择题宾语从句

—Excuse me,could you tell me ________ —Sure,at eight o\’clock tomorrow morning.Don\’t be late!( )

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七年级·英语·填空题宾语从句

I am ______(抱歉) that I am late for school.

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八年级·英语·填空题新闻报道类阅读

Hello everyone! Today.I want to talk about the(1)______(excite)2024 Paris Olympics. The Paris Olympics is(2)______great event that brings people from all over the world together.It is a celebration of sportsmanship,unity

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八年级·英语·填空题新闻报道类阅读

greedy thief origin compete unhealthy ambition comfortable (1)The student comes up with a lot of ______ ideas.No one has ever tried them before. (2)Some mothers are very ______ for their children.They want their children

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九年级·英语·填空题新闻报道类阅读

Each school day,yellow school buses take millions of American kids to and from school. According to the law,school buses must be painted "school bus(1)______".You may not find it in a box of crayons.The colour is neither

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九年级·英语·填空题宾语从句

Could you tell me?Did they come back last night? (保持句意不变) Could you tell me ______ they ______ back last night?

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九年级·英语·填空题社会文化类阅读

As the saying goes that every family has their problems.The most common family problem lies in(存在于) the communication between parents and children.Here are a few examples. Parent:Mike is always making trouble in school.Y

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九年级·英语·填空题社会文化类阅读

Qi Baishi was born in(1)______ poor family from Xiangtan,Hunan province.He was at school for less than a year because of(2)______(ill).One day,he found a Chinese painting guide book-Jieziyuan Huapu.The book inspired his

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九年级·英语·填空题社会文化类阅读

A group of young people who wear ancient clothes,walking on the streets of Paris,became a scene of the Paris Olympic Games.They are not actors or actresses in a movie,but hanfu lovers.Hanfu,traditional Chinese clothing,i

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