解方程：-九年级数学

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• 若方程有增根，则．-八年级数学
• That volcano___________in 1970 after two hundred years of silence.A．explodedB．blewC．burstD．erupted-高
• 当时，分式的值等于.-七年级数学
• 解方程：x-6x-7+17-x=8-数学
• You will be a job when you are here, for I totally understand you have to work in order to payfor yo
• 已知关于x的分式分程mx-1+31-x=2．（1）若方程的解为-2，求m的值；（2）若方程的解为正数，求出m的取值范围．-数学
• He is always _ his attention to playing computer games.[ ]A. devotedB. paying C. focusing D. concent
• As the old empires were broken up and new states were formed, new official tongues began to _____ at
• Mr. Brown is warm-hearted and often does everything that he can toto those in trouble.A．break outB．s
• The policeman________the children to cross the road when the traffic lights turned green.[ ]A. letB.
• Although metals________widely in qualities such as strength and hardness,they all have certain quali
• It _____ me to see so many children were trapped in ruins and some of them were dead. [ ]A. surprise
• She has an extraordinarycommand of the English language.[ ]A. earnedB. wonC. derivedD. acquired-高二英语
• ——You looked upset. What’s the matter?——My plan was _____ again.A．turned onB．turned downC．turned upD
• （11·孝感）（满分6分）解关于的方程：-七年级数学
• More attention must be paid _________ the endangered animals..A．to protectingB．protect C．to protectD
• 解方程：（1）x-2x+2-16x2-4=4x-2+1（2）（x+2）（2x-1）=2（3）2x2-4x+1=0．（配方法）-数学
• 甲乙两地相距60km,一艘轮船从甲地顺流到乙地，又从乙地立即逆流到甲地，共用8小时，已知水流速度为5km/h，若设此轮船在静水中的速度为xkm/h，可列方程为（）A．B．C．D．-八年级数学
• As the housing price goes up rapidly, many young couples don’t know what toit.A．do withB．deal withC．
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• All the students in this school are required to________at least two lectures on how to study every m
• Sorry to ____ your speech for a few minutes. [ ]A. interrupt B. stopC. keep D. prevent -高一英语
• Changing the design of a new product may ______ the risk of its production in the market. A．bring ab
• 分式方程12x-3=1的解为______．-数学
• 下列方程中分式方程有（）个．（1）x2-x+1x；（2）1a-3=a+4；（3）1x-x=3；（4）20x+y-10x-y=1．A．1B．2C．3D．以上都不对-数学
• In order not to let the others hear what he said, he ________ the news to me. [ ]A. shoutedB. toldC.
• 阅读理解解分式方程＋=3时，小云用了如下的方法：解：设="y"，则原方程可化为y+2y="3"解这个整式方程得y=1由=1去分母，得x+1=1，∴x=0经检验x
• We early to avoid the traffic，and it took us only half an hour to get here．A．turned outB．turned upC．
• The inspector ____ his fingers over the sheet of newspaper. There were some marks on the surface of
• Yesterday our car got ______ halfway; fortunately we managed to get it ______ finally.A．struck; work
• When the poor old lady tried to ______ the cup on the shelf to have a drink, she ______.A．reach for;
• Changing the design of a new product may ____ the risk of its production in the market．A．bring about
• 若方程有增根，则．-八年级数学
• 分式方程32x=1x-2的解为（）A．x=5B．x=6C．x=3D．x=4-数学
• 满足方程2x+2=3x-2的解为______．-数学
• ---Canyourfactoryreallyafford____foodforthepeopleinthefloodedarea?---Ibelievewecanbecausewehave____w
• 若关于x的方程m-1x-1=2的解为正数，则m的取值范围是______．-数学
• There is too much noise outside; I can't____ my attention on my book.[ ]A. consultB. connectC.
• —How did you like Nick's performance last night?—To be honest, his singing didn't ________
• —What are you doing,my dear?—I am ________ for my glasses. I remember I have put it on the bookshelf
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• 小明和小华要到离学校15千米的图书馆看书．小明先骑自行车从学校出发，15分钟后，小华乘公交车从同一地点出发，结果两人同时到达图书馆．已知公交车的速度是自行车速度的1.5倍-七年级数学
• 解分式方程．(1)(2)-八年级数学
• m取时，方程会产生增根．-八年级数学
• Why don't you ____ it to his attention that you are too busy to go on working?A．payB．fix C．brin
• 当m=______时，关于x的方程xx-5=mx-5+2会产生增根．-数学