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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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This museum is very famous.About ________ people visit it every year.( )
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由于交通拥堵的缘故 ______
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Kelly is going to study ________ because she wants to be a doctor.( )
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Let\’s have a d ______ about your plan.
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Swifts (雨燕) live mostly in the air.These small birds are among the fastest animals on Earth.In fact,swifts can go two or three days without touching the ground!To get used to life in the sky,swifts use their speed and th
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Shakespeare was born in .( )
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Wanda Cinema is the most popular movie theater in Jianyang because it has the biggest screen and we can sit _________.( )
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她礼貌地请求给点水. She made a ______for some water ______.
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Please don\’t be late. Come here .( )
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汤姆几乎没有朋友,因为他总是拒绝帮助别人. Tom ______ has any friends because he always refuse to help others.
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We had seven days_____for the National Day holiday.( )
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杨丽萍是最有天赋的舞蹈家之一,她的舞蹈惊艳了所有人. Young Liping is one of the ______ dancers and her dancing amazed everyone.
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It is (possible) for us to arrive at the museum in ten minutes.It's so far from here.
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—Dad, could you buy me a mobile phone like this? —Of course, we can buy a _______ one than this, but _______ it.
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﹣﹣﹣The computer is cheap but it works well. ﹣﹣﹣Yes,that\’s the _____________ why I bought it.( )
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Have you ever done or thought about volunteering before?Volunteering means spending time and effort(精力) to help somebody or something.As for me,I\’ve volunteered at an animal shelter(收容所) to help feed and(1)t ______ dogs
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English is one of the most important______ (语言) in the world.
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Each ______ (主席) went to observe 3-minute silence to the Queen Elizabeth Ⅱ.
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Disneyland Park Introduction There are(1)_________Disneyland Parks in the world. Interesting things •Children can join in lots of exciting(2)_______and meet many cartoon characters. •Parents can take a walk(3)_______8 an
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The Chinese tea ceremony(仪式) is a practice of preparing,serving,and enjoying tea.It might start in the Tang Dynasty or even earlier and it reached its greatest time in the Song Dynasty.The traditional Chinese tea ceremon
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