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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Unit 5 Water

We have enough rooms______ (live) in. Don't worry about that.

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七年级·英语·填空题Unit 5 Water

The water here is safe______ (drink).

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七年级·英语·填空题Unit 5 Water

It is not easy______ (learn) a foreign language well.

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七年级·英语·填空题Unit 5 Water

Our teacher often tells us______ (help) the poor.

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七年级·英语·填空题Unit 5 Water

My father always tells jokes to make us______(laugh).

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七年级·英语·任务型阅读Unit 5 Water

Dora was in the bathroom. The tap was (A) . "(B) Turn the tap off ," said an angry voice. "You are wasting water." Dora looked (C) , but there was no one there. "Who are you?" "I'm a drop of water." Do you know where I c

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九年级·英语·解答题Unit 4 All about films and TV

One day a blind man and his guide dog both lost their lives in a traffic accident.On their way to Heaven,an Angel stopped them and said there was only one place left in Heaven so that one of them had to go to Hell.The ma

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九年级·英语·信息匹配Unit 4 All about films and TV

Complete each gap with an item from A ~ F below.There are two more than you need.(阅读短文,从A ~ F中选择正确的句子填空,有两项多余。) A.But for now,each of us has to be smart about these imperfect" life savers". B.you must know and account fo

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八年级·英语·填空题Lesson 7 Chinese New Year

This is a______(mean) vacation.

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八年级·英语·填空题Lesson 7 Chinese New Year

I______(notice) he left early yesterday.

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八年级·英语·填空题Lesson 7 Chinese New Year

Please remind me______(call) my parents tomorrow.

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八年级·英语·填空题Lesson 7 Chinese New Year

Tell them not______ (swim) alone in the lake.

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八年级·英语·填空题Lesson 7 Chinese New Year

There aren't any______(potato) in the fridge.

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八年级·英语·填空题Lesson 7 Chinese New Year

My son love eating______ (sausage)

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八年级·英语·填空题Lesson 7 Chinese New Year

______(leaf) on the trees turn red or orange and then fall down.

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八年级·英语·填空题Lesson 7 Chinese New Year

We have taken a lot of______(photo) of our trip.

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八年级·英语·完成句子Lesson 12 Generation Gap

如果你一次只做一件事并且坚持你的计划,你就能取得成功. If you do one thing______ and stick to your plan,______.

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八年级·英语·完成句子Lesson 12 Generation Gap

如果你想和朋友和好的话,学会忘记和原谅是个很好的方式. If you want to______ your friend,______ to learn to forgive and forget.

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八年级·英语·完成句子Lesson 12 Generation Gap

除非你放松,否则你的境况不会有改善. Your______ improve______ you relax.

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八年级·英语·完成句子Lesson 12 Generation Gap

长大后我想成为一名英语教师. I want to be an English teacher when I______.

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