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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·单词拼写/单词释义Lesson 17 True Stories?

这个小女孩害怕过马路。 The little girl______cross the road.

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八年级·英语·选择题Lesson 17 True Stories?

It's winter now. It cold day by day.（）

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八年级·英语·选择题Unit 1 Me and My Class

--Shall we have a picnic in the park or in the countryside？ --______（）

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八年级·英语·选择题Unit 1 Me and My Class

Last week my mother bought a pair of _____ me.（）

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八年级·英语·选择题Unit 1 Me and My Class

I spend all the morning _____ my bedroom last Sunday.（）

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八年级·英语·选择题Unit 1 Me and My Class

Mike thinks the team from Grade Two will win.But I don't agree _____ him.（）

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八年级·英语·选择题Unit 1 Me and My Class

My mother advised me not _____ too much time on games.（）

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八年级·英语·选择题Unit 1 Me and My Class

--Excuse me,can I take this seat ？ --Sure,_____ .（）

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八年级·英语·选择题Unit 1 Me and My Class

My mother often encourages me _____ new friends.（）

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八年级·英语·选择题Unit 1 Me and My Class

______，David passed the physics exam.（）

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八年级·英语·连词成句Unit 2 My Favourite School Subject

introduce, you, I, will, Lily, to _____________________ .

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八年级·英语·连词成句Unit 2 My Favourite School Subject

talked, have, three, we, for, hours _____________________ .

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八年级·英语·连词成句Unit 2 My Favourite School Subject

a, I, student, am _____________________ .

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八年级·英语·任务型阅读Unit 2 My Favourite School Subject

What is your best subject at school? For some it might be English or math. For some students, when it comes to different subjects, imbalance ( 不平衡 ) becomes a problem. Should you try to balance all subjects, or just spen

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八年级·英语·填空题Unit 2 My Favourite School Subject

Cindy and Anna were best friends. Some days they could spend hours happily together without any argument, but other days they just could not _____ on what to do. One day they decided to play in the garden near their scho

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八年级·英语·填空题Unit 2 My Favourite School Subject

How time flies! Now we are in the 【 1 】 (nine) grade. Our junior high school years will be over and the 【 2 】 (graduate) ceremony is coming in several months. However, I still remember the time when we came to the school

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八年级·英语·单词拼写Unit 2 My Favourite School Subject

(2020 原创 ) When I travel to a new city, I would like to try the l _____ food.

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八年级·英语·单词拼写Unit 2 My Favourite School Subject

(2020 原创 ) I am p _____ in physics, so I have to spend more time on it.

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八年级·英语·连词成句Unit 3 Families Celebrate Together

Lucy, sister's, is, the, your, friend, of ________________________________________________________________________ ?

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八年级·英语·连词成句Unit 3 Families Celebrate Together

reached, finally, the top of, they, mountain, the ________________________________________________________________________ .