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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 3 Going places
Complete the following passage with the words or phrases in the box. Each word of phrase can only be used once. A. choice B. learn C. fantastic D. interest E. choose No matter whether you have a sweet tooth or not, you c
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九年级·英语·填空题Unit 3 Going places
A. is kept on B. pleased C. immediately D. manages E. proved My uncle 【 1 】 a shoe shop in Australia. He was 【 2 】 with the new school uniform. When Tom found that his car was missing, he called the police 【 3 】 . Though
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九年级·英语·选择题Unit 3 Going places
—I passed the SAT（美国高考）last month! —________！
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八年级·英语·单词造句Unit 1 Alice was sitting with her sister by the river.
it， with， two， is， a， long， rabbit， ears（．） ______
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八年级·英语·单词造句Unit 1 Alice was sitting with her sister by the river.
the， were， strange， playing， a， children， game （．） ______
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八年级·英语·单词造句Unit 1 Alice was sitting with her sister by the river.
my， smiling， at， mother， was， me （．） ______
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八年级·英语·单词造句Unit 1 Alice was sitting with her sister by the river.
a， my， reading， sister， was， nine， book， at， yesterday， evening （．） ______
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八年级·英语·单词造句Unit 1 Alice was sitting with her sister by the river.
a， is， robot， Mimi， it， about， called （．） ______
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八年级·英语·完成句子Unit 1 Alice was sitting with her sister by the river.
Did you see the rabbit______（从我身边跑过）？
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八年级·英语·完成句子Unit 1 Alice was sitting with her sister by the river.
I saw my brother______（对我微笑）．
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八年级·英语·完成句子Unit 1 Alice was sitting with her sister by the river.
The boy______（掉进河里）and called for help loudly．
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七年级·英语·单词拼写/单词释义Unit 1 Does it eat meat?
把任何热的东西放进垃圾箱是危险的。 ______
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七年级·英语·单词拼写/单词释义Unit 1 Does it eat meat?
这项竞赛把不同背景的人们聚集在一起。 This competition brings people from ____________ together.
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七年级·英语·单词造句Unit 1 Does it eat meat?
is,pet,how,your,cute, ______!
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七年级·英语·单词造句Unit 1 Does it eat meat?
animals,does,your,what,like,sister,see,to ______？
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七年级·英语·单词造句Unit 1 Does it eat meat?
see,again,I'm,them,to,happy ______ .
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七年级·英语·填空题Unit 1 Does it eat meat?
How many______ （country） are there in the world？
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七年级·英语·单词拼写/单词释义Unit 1 Does it eat meat?
It is ______ （危险）for teenagers to swim in the river alone during the summer vacation.
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七年级·英语·填空题Unit 1 Does it eat meat?
Never go near tigers. They are______．（danger）
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七年级·英语·阅读理解Unit 3 Language in use.
My name is Yang Jiani. I am a middle school student in Guangzhou now. I like watching cartoons(动画片)all the time. I really enjoy myself when I'm watching cartoons. But now I don't watch them too often. Why? Because as a m
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