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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Unit 2 Great People
Judy gave us an _______ (introduce) about her when she joined our class.
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九年级·英语·填空题Unit 2 Great People
This book is considered the best work of _______ (her) so far.
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九年级·英语·填空题Unit 2 Great People
The news of the _______ (miss) girl is reported on TV.
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九年级·英语·填空题Unit 2 Great People
Have you made up your mind yet? Just tell me your _______ (decide).
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九年级·英语·任务型阅读Unit 2 Great People
People are always trying to live a healthy life. You might have read so much on this topic. The following ideas may sound strange, but they can really help you. Exercise when you are tired. After a long and tiring day of
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九年级·英语·填空题Unit 3 Safety
Once there was a young girl. She was 【 1 】 (ugly) than most of girls. Her parents passed away years ago. She always 【 2 】 (feel) sad and lonely. One day, she was walking through some grassland w 【 3 】 she noticed a small
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九年级·英语·单词拼写Unit 3 Safety
(2020 原创 ) Her voice is ______ beautiful that almost all of us are attracted.
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九年级·英语·单词拼写Unit 3 Safety
(2020 原创 ) With the development of the Internet, the news can s ______ quickly.
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九年级·英语·连词成句Unit 3 Safety
morning, let's, together, do, exercise _______________________ .
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九年级·英语·连词成句Unit 3 Safety
what, this, doing, were, you, yesterday, time _______________________ ?
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九年级·英语·连词成句Unit 3 Safety
must, the, I, finish, now, report _______________________ ?
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九年级·英语·连词成句Unit 3 Safety
I, when, homework, was, doing, my, came in, he _______________________ .
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九年级·英语·连词成句Unit 3 Safety
don't, all day, games, play, computer _______________________ .
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九年级·英语·连词成句Unit 4 Stories and poems
was, with, just now, my, talking, I, mom ___________________ .
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九年级·英语·连词成句Unit 4 Stories and poems
photos, in, the, no, museum ___________________ .
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九年级·英语·连词成句Unit 4 Stories and poems
turn off, the, your, meeting, you, during, must, phone ___________________ .
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九年级·英语·连词成句Unit 4 Stories and poems
light, turn on, don't, the ___________________ .
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九年级·英语·填空题Unit 4 Stories and poems
Once there was a young girl. She was 【 1 】 (ugly) than most of girls. Her parents passed away years ago. She always 【 2 】 (feel) sad and lonely. One day, w 【 3 】 she was walking through some grassland, she noticed a smal
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九年级·英语·单词拼写Unit 4 Stories and poems
Take _____ your coat if you feel very hot.
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九年级·英语·填空题Unit 4 Stories and poems
I have a _____ (humor) friend. He often makes me laugh.
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