下面是四位同学解方程＋＝1过程中去分母的一步，其中正确的是（）A．2＋x＝x－1B．2－x＝1C．2＋x＝1－xD．2－x＝x－1-七年级数学

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• （1）解方程：（2）求不等式组的解集-九年级数学
• 分式方程的根是（）A．B．C．D．-九年级数学
• 解方程：1x=5x+3-数学
• (2013·江苏，29)Team leaders must ensure that all members ________ their natural desire to avoid the emb
• If you find Tom hard ____, you’d better keep away from him.A．to get along withB．to get along C．to be
• a=-1是方程（）的根．A．2a+1-1a+2=0B．2a-1-2a=0C．2a-1+1a+2=0D．2a=1-2a+2-数学
• The famous actor keeps fit by ________ for an hour every morning.A．sticking out B．standing outC．maki
• 已知关于x的方程=3的解是正数，则m的取值范围为____________．-九年级数学
• Luckily, the new pills didn’t make my brother’s hair _________.A．fall downB．fall behindC．fall backD
• 观察图形，解答问题：（1）按下表已填写的形式填写表中的空格：图①图②图③三个角上三个数的积1×（－1）×2＝－2（－3）×（－4）×（－5）＝－60三个角上三个数的和1＋（－1）＋2＝2（－3）＋（－
• 某电器城经销A型号彩电，今年四月份每台彩电售价为2000元，与去年同期相比，结果卖出彩电的数量相同，但去年销售额为5万元，今年销售额只有4万元．(1)问去年四月份每台A型号彩-七年级数学
• 分式方程的根是[]A.x=-2B.x=0C.x=2D.无实根-九年级数学
• 2011年雨季，一场大雨导致一条全长为550米的污水排放管道被冲毁，为了尽量减少施工对城市交通所造成的影响，实际施工时，每天的工效比原计划增加10%，结果提前5天完成这一任-八年级数学
• （1）化简：a+b5ab•10ab2a2-b2；（2）解分式方程：1x-3=2+x3-x．-数学
• --- Do you think it is hot today? ---_______ , but not as hot as yesterday.A．No, not at allB．Yes, k
• Your daughter would ______ a famous singer---she has a great gift for music.A．makeB．turnC．serveD．sha
• 若关于x的方程k-1x-1-xx-1=0有增根，求k的值．-数学
• What did you ____ me ____? I’m a teacher, not a doctor.A．take; overB．take; upC．take; offD．take; for-
• 方程的解是______________．-九年级数学
• He is stillhis story that his car was stolen and later returned, but the police don’t believe him at
• (1)甲、乙两人同时从A地出发去B地,甲的速度是乙的1.5倍.已知A、B两地相距27千米,甲到达乙地3小时后,乙才到达,求甲、乙两人的速度.(2)甲、乙两人同时从相距9千米的A、B两地-七年级数学
• 解方程：．-七年级数学
• 已知方程，那么的值为（）．A．B．C．D．无解-九年级数学
• （1）解分式方程：xx-3=2-33-x（2）计算：（48+1412）÷27．-数学
• ________ different life today is ________ what it was 20 years ago!A．How; fromB．What a; fromC．What;
• One of the tourists ______ from the tour group. That was why the tour guide lost his temper.A．kept a
• 如图，点A、B在数轴上，它们所对应的数分别是-4与2x+23x-5，且点A、B到原点的距离相等．则x=______．-数学
• Accidents oftenout of carelessness.A．riseB．raiseC．go upD．arise-英语
• 解方程：．-七年级数学
• Mary’s parents believe that she will ___ a perfect dancer if she keeps practicing.A．turnB．makeC．take
• 若2x+1与2x-1互为倒数，则实数x=______．-数学
• In daily life，we often use bodylanguage to ________ extra meaning.[ ]A．broadcastB．predictC．conveyD．e
• Her mother ________ the girl to leave the house before she had finished her homework.[ ]A. prevented
• 当x=（）时，分式与互为相反数。-八年级数学
• 解方程：-八年级数学
• Don’t leave things lying around; ______ them together and put them in this cabinet (橱柜).[ ] A. haveB
• The minister said, “We are ready for discussions with any legal parties，but we'll never _______
• 若分式方程的值为A．１B．２C．３D．４-八年级数学
• Your meaning didn’t really .A．get throughB．get inC．get awayD．get across-高三英语
• (1)计算：+．(2)解方程：-九年级数学
• The news caused heated discussion online, with people _____ the government ____ using the expensive
• 解方程（1）8x2+10x=3（2）2x-1x-3x2x-1=2．-数学
• Some people ________ land because they regard it as a commodity belonging to them.[ ]A. employB. ado
• 解方程：。-九年级数学
• 请选择一组的值，写出一个关于的形如的分式方程，使它的解是，这样的分式方程可以是______________.-八年级数学
• Students are required to _______ down what the teachers teach in class. Which of the following is wr
• When she was asked how she had managed to live ___with the man she hated so much, she didn't __
• He used to be a popular singer, but drug ____ his ruin.A．resulted fromB．contributed toC．attended toD
• It has been that some government leaders_____their authority and position to get illegal profits for
• （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