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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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We must be______ (勇敢的) enough to take on new challenges in our life.
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The ORBIS doctor advised the girl to have the operation to prevent her eye problem getting much______( bad).
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British people pride themselves on their polite manners towards one another in public.They often use the word "sorry"—even when they don't really mean it!Usually,if they want to ask a stranger for the time,they would sta
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Imagine you are walking through the woods and you see a small dog.It looks cute and friendly.You move up to pet the dog.Suddenly it barks and tries to bite you.The dog no longer seems cute and you feel afraid and possibl
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I was bullied quite badly in high school.A kid would try to make me feel terrible in every way he knew.For example,he would hit me in the head,call me ugly and stupid,make fun of me and—of course—threaten to hit me harde
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A 22-year-old British student has invented a mobile fridge that could save millions of lives across the world. Will Broadway's "Isobar" has been designed to keep vaccines(疫苗) at the ideal temperature while they are being
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The Blue Metropolis Literary Festival is coming! It will host nearly 120 family-friendly activities from April 11 to April 17.More than 40 writers and storytellers,including local writers Monique Polak and Lydia Lukidis,
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On the first day of my 11th grade,I wasn't excited when I looked at my timetable and saw "Biology II-Robin Haworth,Room 301".I had never liked biology and I found it (1) .After I entered the room,I took a seat in the ver
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---Could you look after my plants while I'm away on business,please? ---_____________.I'll water them on time.( )
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--Could you tell me how to behave politely in public in the UK? --Yes.__________,you should keep your voice down and always queue.( )
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My mother won't allow my father to drive __________ he promises to give up drinking.( )
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---How nice your dictionary is! Where did you get_____________? I'd like to buy _____________,too. ---In the shop in the city center.( )
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---______________ is it since you left your primary school? ---Three years.( )
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People all over the world hope for ______(和平).
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"Well, I'll eat the cake," Alice said. "If I get taller, I can reach the key on the table. And if get Smaller, I can go under the door into the garden."Then she fished the cake very soon. "I shall be as tall as a house i
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