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#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 3 Language in use.

用方框中所给单词的适当形式填空 luck;sweater;quite;beautiful;happen 【1】My sister is tall and __. 【2】It is __ hot today. 【3】What's __ over there?Let's go and see. 【4】It's a __ day for me.I win the game. 【5】Tony, put away your __.

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七年级·英语·填空题Unit 3 Language in use.

用括号中所给单词的适当形式填空 【1】Hurry up!The train is __ (come). 【2】Black __ (mean)bad luck in China. 【3】My sister is __ (study)in London now. 【4】Jack is __ (learn)how to play basketball now. 【5】I can __ (cook)a lot of delicious food

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七年级·英语·句型转换Unit 3 Language in use.

句型转换 【 1 】 The old men are working. ( 改为同义句 ) The old men are ______ ______ . 【 2 】 She often makes dumplings. ( 用 now 改写句子 ) She ______ ______ dumplings now. 【 3 】 We are writing an English letter now. ( 对画线部分提问 ) _____

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七年级·英语·单词拼写/单词释义Unit 2 My mother’s cleaning our houses and sweeping away bad luck.

下次进办公室之前,你需要敲门。 ______

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七年级·英语·填空题Unit 2 My mother’s cleaning our houses and sweeping away bad luck.

Spring Festival will come in a few days and everyone is getting things ready for this festival.Stella is shopping online.She wants to buy (1) (watch) for her brothers and she thinks shopping online is easy because we can

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七年级·英语·填空题Unit 2 My mother’s cleaning our houses and sweeping away bad luck.

Every year,the second Sunday of May is a special day for moms.It is (1) ( mother) Day.It is a good time to show (2) (we)love to our moms. In the UK,most children like (3) (buy)a gift.Chocolate or flowers are some common

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七年级·英语·填空题Unit 2 My mother’s cleaning our houses and sweeping away bad luck.

December 25th is Christmas Day. (1) that day,there is a very famous person to send gifts to people. (2) (he) name is Santa Claus in America,but people in some other (3) (country) call him Father Christmas,Saint Nicholas,

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七年级·英语·补全对话Unit 2 My mother’s cleaning our houses and sweeping away bad luck.

A:Hi,Ann!Tomorrow (1) August 1st.When is your holiday going to start? B:Very soon.I'm (2) leave the day after tomorrow. A: (3) are you going to be away? B:About two weeks. A: (4) are you going? B:I'm going to the beach t

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七年级·英语·单词拼写/单词释义Unit 2 My mother’s cleaning our houses and sweeping away bad luck.

Dear friend, Spring Festival is coming.Do you want to know about it?Let me tell you. That's my favorite festival. (1) is in January or February.In 2021,it is on February 12th.We are all very busy preparing (准备) things (2

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七年级·英语·单词拼写/单词释义Unit 2 My mother’s cleaning our houses and sweeping away bad luck.

You must wash your face ______ (在……以前) you go to bed.

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七年级·英语·单词拼写/单词释义Unit 2 My mother’s cleaning our houses and sweeping away bad luck.

______ (饺子) are my favorite food.

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七年级·英语·单词拼写/单词释义Unit 1 Are you getting ready for Spring Festival?

跑步有助于我为一天做好准备。 ______

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七年级·英语·单词拼写/单词释义Unit 1 Are you getting ready for Spring Festival?

万圣节是孩子们最喜欢的节日之一。 Halloween is ______________________________.

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七年级·英语·单词拼写/单词释义Unit 1 Are you getting ready for Spring Festival?

我们进行来自全世界不同节日的表演秀。 We have ______ about __________________ the world.

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七年级·英语·单词拼写/单词释义Unit 1 Are you getting ready for Spring Festival?

farm work two. ______

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七年级·英语·单词拼写/单词释义Unit 1 Are you getting ready for Spring Festival?

in,green,T-shirt ______

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七年级·英语·单词拼写/单词释义Unit 1 Are you getting ready for Spring Festival?

teach high school. ______

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七年级·英语·单词拼写/单词释义Unit 1 Are you getting ready for Spring Festival?

aunt hospital. ______

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七年级·英语·单词拼写/单词释义Unit 1 Are you getting ready for Spring Festival?

Lily father . ______

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七年级·英语·填空题Topic 3 How old are you?

My name is Liu Fang. I’m from China. This is an English girl. ______ name is Mary Green. She ______ my friend. She is twelve. She is from ______ . She’s a new student ( 新学生 ) here. I’m in Grade Seven. Mary is in Grade __

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