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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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七年级·英语·填空题Lesson 2 What Do They Look Like?
用适当的冠词填空（不需要时用"/"表示） ______ Earth travels around______ Sun.
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七年级·英语·填空题Lesson 2 What Do They Look Like?
用适当的冠词填空（不需要时用"/"表示） ______ dog is______ animal.
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七年级·英语·填空题Lesson 2 What Do They Look Like?
用适当的冠词填空（不需要时用"/"表示） I can play______chess with you in______hour.
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七年级·英语·填空题Lesson 2 What Do They Look Like?
用适当的冠词填空（不需要时用"/"表示） Look at______ blackboard.
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七年级·英语·填空题Lesson 2 What Do They Look Like?
用适当的冠词填空（不需要时用"/"表示） I have______ pet cat.______ cat is white and black.
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七年级·英语·填空题Lesson 2 What Do They Look Like?
用适当的冠词填空（不需要时用"/"表示） There is ______ old dictionary on the desk. Please give ______ dictionary to John.
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九年级·英语·选择题Unit 2There were few doctors, so he had to work very hard on his own.
He is ______ a cute baby ______ we all like him．
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九年级·英语·选择题Unit 2There were few doctors, so he had to work very hard on his own.
He works hard______ he can pass the exam．
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九年级·英语·选择题Unit 2There were few doctors, so he had to work very hard on his own.
After he joined the army,he made his mind to ______ his motherland．
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九年级·英语·选择题Unit 2There were few doctors, so he had to work very hard on his own.
We shouldn't go to school ______ breakfast.It's bad for our health．
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九年级·英语·选择题Unit 2There were few doctors, so he had to work very hard on his own.
______,he decided to go abroad for further study．
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九年级·英语·选择题Unit 2There were few doctors, so he had to work very hard on his own.
After her son died in an accident,the old woman treated her dog ______ her son．
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九年级·英语·填空题Unit 2There were few doctors, so he had to work very hard on his own.
Ⅱ．用所给单词的适当形式填空 【1】Take the ______(medical)and you will be better soon． 【2】During Edison's life，he had over 1,000 ______ (invent)． 【3】Dashan is a ______(Canada)and he is good at crosstalk(相声)． 【4】After ten hours' ______(o
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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 ________________________________________________________________________ .
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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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八年级·英语·填空题Unit 3 Families Celebrate Together
She gave us a ________ (live)speech. We were all attracted by her.
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