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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·连词成句Unit 3 Families Celebrate Together

these, Tom's, pens, are ________________________________________________________________________ .

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八年级·英语·填空题Unit 3 Families Celebrate Together

My neighbour is a librarian. He is one of my best 【 1 】 (friend). We have known each other since we were little boys. The library is five 【 2 】 (mile) away from his house. It is 【 3 】 little far for him to walk to the li

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八年级·英语·单词拼写Unit 3 Families Celebrate Together

Jenny is t ________ for the new knowledge. She believes knowledge can change her life.

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八年级·英语·单词拼写Unit 3 Families Celebrate Together

I want to send a letter to you. Please give me your a ________ .

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She gave us a ________ (live)speech. We were all attracted by her.

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八年级·英语·填空题Unit 3 Families Celebrate Together

My mother likes collecting things. So she has many ________ (collect) ．

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八年级·英语·填空题Unit 4 My Neighbourhood

I would never realize I was quite helpful in my family until 【 1 】 (I) mum became ill. Last month, she went to hospital. The doctor said she needed to stay in bed and have 【 2 】 good rest. My dad works in a restaurant an

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八年级·英语·单词拼写Unit 4 My Neighbourhood

(2020 原创 )I bought a pair of shoes last week. It c ________ me 300 yuan .

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八年级·英语·单词拼写Unit 4 My Neighbourhood

(2020 原创 )Finally we got to the t ________ of the mountain and saw the beautiful sunrise.

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八年级·英语·填空题Unit 4 My Neighbourhood

(2020 原创 )His voice ________ (sound) strange on the phone. What's the matter with him?

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八年级·英语·填空题Unit 4 My Neighbourhood

(2020 原创 )This movie impressed me ________ (deep). I learned too much from it.