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Students are required to _______ down what the teachers teach in class. Which of the following is wr
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When she was asked how she had managed to live ___with the man she hated so much, she didn't __
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He used to be a popular singer, but drug ____ his ruin.A.resulted fromB.contributed toC.attended toD
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It has been that some government leaders_____their authority and position to get illegal profits for
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(2011江苏淮安,22,8分)七(1)班的大课间活动丰富多彩,小峰与小月进行跳绳比赛.在相同的时间内,小峰跳了100个,小月跳了110个.如果小月比小峰每分钟多跳20个,试求出小峰-七年级数学
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At present an increasing number of parents wish to _________ changes in educating their children du
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解方程:xx-1-2x-2x-1=0-数学
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I used to hate being ________ about my red hair when I was at school.[ ]A.dressed B.scoldedC.teased
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解方程:-八年级数学
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分式方程的解为.-七年级数学
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Who else except a millionaire could________to use such an expensive car?[ ]A. pay B. spend C. buyD.
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如果方程xx-3=3x-3有增根,那么增根的值为()A.0B.-1C.3D.1-数学
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It is said that his carelessness ____ the terrible accident.A.resulted fromB.resulted inC.turned ou
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To get a good view of the scenery in China, Lucy would spend a lot of time on the train _________ t
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The results of the medical checkup suggested that my father in poor health, so the doctor suggested
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She promised to be here at 8:00, but she never ______. [ ]A. turned down B. turned off C. turned ove
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After only half an hour's rest, the woman scientist ________ her research.[ ]A.relied onB.carri
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Customers’ demand has great _________ on the prices, that is, it ______ the market.[ ]A. effects; ef
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解下列方程:xx-2=3(x-2)x+2.-数学
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甲队修路120m与乙队修路100m所用天数相同,已知甲队比乙队每天多修10m,设甲队每天修路xm.依题意,下面所列方程正确的是A.B.C.D.-七年级数学
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某文化用品商店用2000元购进一批学生书包,面市后发现供不应求,商店又购进第二批同样的书包,所购数量是第一批购进数量的3倍,但单价贵了4元,结果第二批用了6300元。(1)求-八年级数学
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关于分式方程x-2x+2-16x2-4=1的解的情况,下列说法正确的是()A.有一个解是x=2B.有一个解是x=-2C.有两个解是x=2和x=-2D.没有解-数学
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Each day is a gift,and _______my eyes open,I’11 focus on the new day and all the happy memories I ’v
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In copying this paper , be careful not to _______ any words.A.leave behindB.leave asideC.leave offD.
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The Iranian government is accused of _______ some terror organizations in the Middle East by the Uni
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解方程:(1)3x+5x2=0;(2)7x(3-x)=4(x-3);(3)xx-2=3(x-2)x+2.-数学
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解下列方程或方程组(1)x2-5x-4=0;(2)(x+2)(x+3)=4-x2.(3)(x-1)2x2-x-1x-2=0,(4)解方程组x2+y2=102x-y=5.-数学
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解方程:(1);(2)-八年级数学
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Our teachers made us ________a lot of homework after school.[ ]A. to doB. doing C. doD. to have done
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解方程小题1:小题2:-八年级数学
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Tigers in the state often compete with villagers living close to the reserves for resources, often__
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My sister _____ the league last month and she has decided to ______ the activities to help the aged
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为了支援四川雅安地区人民抗震救灾,某休闲用品有限公司主动承担了为灾区生产2万顶帐篷的任务,计划10天完成.(1)按此计划,该公司平均每天应生产帐篷顶;(2)生产2天后,公司-七年级数学
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方程的解是。-七年级数学
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Though having lived abroad for years, many Chinese still________the traditional customs.[ ]A. perfor
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当m为______时,关于x的方程x-1x-3=m2x3x-9会产生增根.-数学
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解方程。-八年级数学
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方程mx-1=1x-1+2如果有增根,那么增根一定是______.-数学
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5m-42m-4=2m+53m-6-12.-数学
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解方程:2x2-4-x2-x=1.-数学
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李明到离家2.1千米的学校参加八年级联欢会,到学校时发现演出道具还放在家中,此时距联欢会开始还有42分钟,于是他立即步行(匀速)回家,在家拿道具用了1分钟,然后立即骑自-八年级数学
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-How did you like Nick's performance last night?-To be honest,his singing didn't ________
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My handwriting can't ___ his, His is much better than mine.A.compareB.compare toC.be compared t
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--My daughter nearly set the kitchen on fire when cooking some dishes.--You can’t stress _______ the
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解方程:-八年级数学
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I called the airline to ________my flight reservation a week before I left for Canada. [ ]A. expandB
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若关于x的方程1x+3-1=mxx+3无解,则m的值为()A.-13B.-1C.-13或-1D.无法确定-数学
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下列说法:①在Rt△ABC中,∠C=90°,CD为AB边上的中线,且CD=2,则AB=4;②八边形的内角和度数为1080°;③2、3、4、3这组数据的方差为0.5;④分式方程1x=3x-1x的解为x=
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若分式方程3x2x-1=m2x-1有增根,则m的值为______.-数学
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已知与互为相反数,求方程=1的解。-八年级数学
题目简介
解方程:。-九年级数学
题目详情
答案
x(x-2)-(x+1)(x-2)=3
解这个方程,得x=-1
检验:x=-1时,(x+1)(x-2)=0不是原分式方程的解,
x=-1原分式方程无解。