若分式的值为零，则a的值是（）A．±2B．2C．﹣2D．0-七年级数学

更多内容推荐

• 若关于x的分式方程无解，则m的值为（）A．﹣1.5B．1C．﹣1.5或2D．﹣0.5或﹣1.5-七年级数学
• 解分式方程：-九年级数学
• 已知,则；-九年级数学
• -- I’m still working on my project. -- Oh, you’ll miss the deadline. Time is __________.A．running ou
• He did nothing but ________walk in the street. [ ]A. taking B. take C. to take D. took-高二英语
• 要把分式方程1x-2=32x化为整式方程，则方程两边同时乘以（）A．2（x-2）B．x-2C．2x（x-2）D．2x-数学
• Why does your brother _______ a sad look on his face these days?A．bringB．wearC．showD．hold-高三英语
• 在市政府实施市容市貌工程期间，某中学在教学楼前铺设小广场地面．其图案设计如图1，正方形小广场地面的边长是40m，中心建一直径为20m的圆形花坛，四角各留一个边长为10m的小-九年级数学
• I'm so glad you've come here to ____ this matter in person.tick to /look fore to ____ neut
• 当a为何值时，方程xx-3=2+ax-3无解？-数学
• 解方程：（1）；（2）-八年级数学
• 当时，方程有增根。-八年级数学
• 小明每天骑自行车或步行上学，他上学的路程为2800米，骑自行车的平均速度是步行平均速度的4倍，骑自行车比步行上学早到30分钟。设小明步行的平均速度为米每分钟，根据题议，-八年级数学
• 解方程：.-九年级数学
• 方程的解是.-八年级数学
• Apple_____ to intense pressure from Chinese state media about its customer service practices, apolog
• —I beg your pardon? —Your mind must have been _________ when I was speaking, wasn't it? [ ]A. w
• 若分式方程x-1x-3=mx-3无解，则m=（）A．0B．2C．1D．3-数学
• Equipped with the information they have gathered, they canpreparing their business plan.A．set outB．s
• （2011广西南宁，20，6分）解分式方程：=-七年级数学
• （1）2-xx-3+13-x=1（2）11-x2=-3x-1-51+x．-数学
• 分式方程1x-2-1-x2-x=1的两边同乘以（x-2），约去分母得（）A．1+（1-x）=x-2B．1-（1-x）=x-2C．1-（1-x）=1D．1+（1-x）=1-数学
• 已知：关于x的方程2-xx-3=-2-ax-3无解，则a的值为（）A．1B．-1C．-11D．-5-数学
• 若分式方程x-1x-3=ax-3有增根，则a=______．-数学
• What you should do is just ________ the milk until it boils and then turn off the gas.[ ]A．watchB．no
• The whole morning _____ the windows and the floors tomorrow.A．shall be spent to washB．is going to ta
• 若分式方程1-xx-2=a2-x-2有增根，则a=______．-数学
• 方程的解是=.-九年级数学
• —Marry, I think you have left your umbrella in the restaurant.--Oh, so I have. Igo and fetch it at o
• 解方程：(1)(5分)(2)(5分)-八年级数学
• I _________ her not to walk on the thin ice but she wouldn't listen.[ ]A. suggestedB. hopedC. w
• Gaddafi's failure in Sirte _________ him the last opportunity to reestablish the government.[ ]
• 分式方程的解是▲；-七年级数学
• This area is rich in coal，so habitants here use tons of coal to _____ electricity.A．offerB．createC．b
• Once you ______ the habit of smoking, it is hard to quit.A．get overB．get intoC．get throughD．get up-高
• Why does teaching as a career ________ many people?A．apply forB．attract to C．appeal toD．agree with-高
• 如果x+11-x的值和4+2x1-x互为相反数，那么x=______．-数学
• When I arrived I saw the place was already ________ by two strangers in uniforms. [ ]A．conqueredB．oc
• 分式方程的解是（）A．-3B．2C．3D．-2-九年级数学
• The purpose of the newly-invented robots which can help bathe people is tothe dignity and privacy of
• The children in some remote areas are looking forward ______ a chance to receive further education.A
• 有两块面积相同的试验田，分别收获蔬菜900kg和1500kg．已知第一块试验田每亩收获蔬菜比第二块少300kg，求第一块试验田每亩收获蔬菜多少千克．设第一块试验田每亩收获蔬菜xkg，-七年级数学
• 解方程：xx-2-2=3(x+2)2-x．-数学
• Though most people know that smoking ________ the risk of cancer, it is still hard for them to give
• The city, ________ by mountains and lakes, is so beautiful that they have decided to stay there for
• --- Is your new team-mate a good guy? --- Yes. He is kind, skillful, hard-working and intelligent; _
• He could see the tall chimneys(烟囱) of the factory ______.A．from distanceB．in distanceC．in the distan
• She ______to them about her age in order to get the job.A．layB．laidC．liedD．lain-高一英语
• 解方程：-九年级数学
• 解方程：-九年级数学