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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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--Could you tell me ______? --Yes,there is a supermarket on Center Street.( )
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完成句子 【 1 】 蒂姆正后悔刚才和妈妈顶嘴。 Now Tim is regretting ___________ ___________ to his mother. 【 2 】 我们为西宁感到骄傲,因为她正变得越来越好。 We take ___________ ___________ Xining, because she is becoming better and better. 【 3 】 英语老师经常把我们班分成十个小组。
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It’s _________ walk from Peter’s home to school, so he often goes to school _________.
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你想了解福州目前的人口,你会这样问: What ______ Fuzhou?
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老师喜欢把我们分成十组让我们一起讨论. Teachers like to ______ ten groups and let us discuss together.
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Mary is ____________ eleven- year- old girl from ____________ European country.She has being studying Chinese for four years.( )
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Nobody knows ______ yesterday.
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— Could you tell me _______ if I enter this high school? — Sure. You can study and enjoy the school life with many top students.
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The cat in Picture______is under the box.( )
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-I have got used to living in this city.But I still miss my old friends in Taiyuan _______.( ) -Old friends are best,right?
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