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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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A:Mike,come and look at this painting of Shrimp (虾)! B:Yeah,it is amazing! (1)______? A:Yes,it is.How do you know that? B:Well,Qi Baishi is famous all over the world.Besides,I am quite interested in Chinese painting. A:H
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Top Four Unusual Shops Senbikiya If you are looking for something perfect, come to Senbikiya in Tokyo, Japan ! You buy fruit - perfect and very expensive fruit. There are apples for 25 each and 12 straw berries for 82. Y
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Xiangjiang High School Library Rules The most important rule in the library is RESPECT. Respect the books Respect the teachers Respect each other Please keep voices low No smoking No eating or drinking in the library, ex
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(2022九上·浦东开学考) By the end of last month, a large number of books ____into English.
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So far,many people's lives_______with the help of the doctors and nurses.( )
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— May I go out with my friends, Mom? — Unless your homework ______.
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从方框中选出恰当的单词或短语并用其恰当形式填空,使短文意思通顺完整。 symbol, stand for, because, together, important, come, popular, second, celebrate, pass August the 15th according to the lunar calendar is the traditional Mid-Autumn Festival in China.
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Rewrite the sentences as required. 【1】Jenny said to me, " Don't catch the fish in the pond“(改成间接引语) Jenny _______________catch the fish in the pond 【2】The kind boss has fed all the cattle on the farm.(改成被动语态) All the cat
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(2023·哈尔滨模拟)A high-speed railway ________ in Heze, which makes our travel more convenient.
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—Could you tell me ? —It depends.If it\’s rainy,it will be put off until next week.( )
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This is the CD I bought last year.( )
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Space X\’s Starship had its fourth launch(发射) June 6,2024.( )
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He is the boy ______I saw yesterday.( )
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What a tall tree it is! (改为同义句) ____________the tree is!
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A:Pardon me,could you ______? B:Sure.It is only 28 yuan.
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A:Hey,have you got any plans for Double Ninth? B:Not yet.(1)______ A:That\’s for sure.Visiting grandparents,bringing snacks,how about it? B:Great! (2)______ Enjoy the autumn. A:Sounds lovely.Relaxed walk,not challenging
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—Wilson,_________ you help me carry the box upstairs? —Sure,no problem.( )
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It\’s about five kilometers from here to my hometown.(对划线部分提问) ____________is it from here to your hometown?
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My father would rather _____ than _____.( )
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--A nice day today,isn't it'? --Yes. go for a picnic and relax ourselves?( )
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