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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·单词拼写-单句Unit 1 I can look after myself, although it won’t be easy for me.
The train to New York will leave from______（站台） 1．
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八年级·英语·连词成句Unit 7 Enjoy Your Hobby
my, actor, is, uncle, an ________________________________________________________________________ .
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八年级·英语·连词成句Unit 7 Enjoy Your Hobby
a, beautiful, she, girl, is ________________________________________________________________________ .
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八年级·英语·连词成句Unit 7 Enjoy Your Hobby
can, Lucy, herself, little, dress ________________________________________________________________________ .
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八年级·英语·填空题Unit 7 Enjoy Your Hobby
Billy's favorite color was orange. But it was 【 1 】 (possible) for him to see what orange looked like. “Billy would n 【 2 】 be able to see. He is b 【 3 】 ． ” the doctor said. Even so, with the hope, Billy learned about 【
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八年级·英语·单词拼写Unit 7 Enjoy Your Hobby
I really want to know what people usually do in their s ________ time.
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八年级·英语·单词拼写Unit 7 Enjoy Your Hobby
He is a s ________ boy. So I believe he can work out this problem.
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八年级·英语·单词拼写Unit 7 Enjoy Your Hobby
My h ________ is writing. So I practice it every day.
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八年级·英语·填空题Unit 7 Enjoy Your Hobby
He walked towards me ________ (slow) and looked unhappy.
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七年级·英语·单词拼写Lesson 9 Near My Home
【1】We hope you can ________________(参加) us soon. 【2】Do you have a ________________(网球)? 【3】Two ________________(排球) are under Tom's bed. 【4】You must ________________ (出示) your ticket before you go into the park. 【5】The s
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七年级·英语·单词拼写Lesson 9 Near My Home
【1】Washing the dishes at home every day is very b________________. 【2】All the guests arrived at the party but the host didn't s________________ up. 【3】We need some more actors for the t________________ show. 【4】Liu Huan
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七年级·英语·阅读理解Lesson 9 Near My Home
Dear Mr. and Mrs. King, Welcome to our neighborhood. I'm very glad that you and your family become our neighbors. However, I am sorry to say you have brought some trouble to us. Mr. King, would you please not play the dr
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七年级·英语·选择题Lesson 9 Near My Home
—What_________ our father often______ on weekends? —He often watches TV at home.
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七年级·英语·选择题Lesson 9 Near My Home
—Where_______she _________ ? —She lives in Beijing.
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七年级·英语·选择题Lesson 9 Near My Home
What does he ____ in the letter?
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七年级·英语·选择题Lesson 9 Near My Home
—__________ ? —He is my favourite basketball player in our school.
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八年级·英语·阅读理解Unit 8 Celebrating Me
We all admit that dreams play a very important part in our life. They can influence every aspect of our life. Almost every great achievement has been the result of years of dreaming. If a person has a dream and holds fas
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八年级·英语·填空题Unit 8 Celebrating Me
One day, Mr. White told the class to get ready for a hobby show. All the 【 1 】 (student) spent the whole morning getting what they were going to show. All the students came back on time e 【 2 】 Bob, the laziest boy in hi
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八年级·英语·单词拼写Unit 8 Celebrating Me
(2020 原创 )There will be a c ________ of Jay Chou in Chengdu two days later. Can you help me buy one ticket?
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八年级·英语·填空题Unit 8 Celebrating Me
(2020 原创 )There will be all kinds of ________ (program) in the party this evening. I hope you can come and enjoy it.
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