如果1a+1b=1x，且a+b≠0，那么x=______．-数学

更多内容推荐

• A notice was________in order to remind the students of the changed lecture time.[ ]A．sent up B．given
• He ________ his country to the enemy and all the friends hated him.[ ]A. betrayedB. classifiedC. dis
• His disabled legs ________ him to a wheelchair all his life.[ ]A. condemnedB. fastenedC. appliedD. c
• 方程=1的解是（）-九年级数学
• A bomb ________ two buildings and caused many deaths.[ ]A．destroyedB．damagedC．harmedD．injured-高三英语
• Mrs. Black is ________ a neighbour to us. She also takes good care of our children when we are away.
• 解分式方程时，利用换元法设，把原方程变形成整式方程为[]A.B.C.D.-八年级数学
• 若关于x的方程mx+1x=8的解为x=14，则m=______．-数学
• 方程2x=3x+1的根为______．-数学
• 解方程：-九年级数学
• We ________ certain living things as birds not because they have long legs or short legs, but becaus
• —What can I do now?—________ the chance, otherwise you'll regret it.[ ]A. ArrestB. SeizeC. Catc
• You have no talent. You will never be a pianist. As a nineyearold boy, Lang Lang was badly ________.
• I found the homework was not so heavy as ______ I ______ to get in my old school.A．that; was usedB．w
• I’d like to buy a house ---modern, comfortable, and ______ in a quiet neighborhood.A．in allB．above a
• The stolen bag was finally found_____in the forest nearby with nothing left in it.A．abandonedB．adopt
• 解分式方程的基本思想是把分式方程化为______，最后要注意______．-数学
• 分式方程的解是[]A.x=-2B.x=2C.x=1D.x=1或x=2-九年级数学
• Some seemingly harmless blogs might become harmful when _____ on the Internet by millions of people.
• 解方程：-九年级数学
• 方程的解为[]A.x1=x2=2-B.x1=x2=2+C.x1=2-，x2=2+D.无解-九年级数学
• 对于非零的两个实数a、b，规定ab=，若，则x的值为[]A.B.C.D.-九年级数学
• The silent girl ________ herself in the English Speech Competition, which attracted the attention of
• Bill's just __________ himself a part in a Broadway show.A．ledB．landedC．arguedD．lost-高一英语
• Our team ________ their team in the match, that is, our team ________ the match.[ ]A．won; wonB．defea
• David ________ from the analysis of the traffic accident that it had been caused by human error.[ ]A
• ---Would you please drive more quickly? My plane will_____in twenty minutes.- ---I want to but safet
• The examination was coming, but she couldn't go to sleep easily. Thoughts ________ in and image
• 要使分式1+x5+x的值为13，则x的值为______．-数学
• --- How about eight o ‘clock outside the cinema?---- That _____ me fine.A．fits B．matches C．satisfie
• 解方程：-九年级数学
• I ________it to my teacher to take a betterpaid post if I can get one.[ ]A．oweB．belongC．giveD．donate
• The annual Energy & Environment Conference calls on our human beings to _______environmental iss
• Wherever he goes, he readily _______ to new circumstances.A．accompaniesB．accountsC．accomplishesD．acc
• 关于x的分式方程的解为正数，则m的取值范围是（）。-九年级数学
• The President ________ his intention to retire before the next election.[ ]A．announcedB．toldC．inform
• The computer is 5,000 yuan, but it doesn’t ____the cost of shipping.A．coverB．takeC．spendD．meet-高一英语
• --- Since the end of last century, she has been trying to be a famous singer. Now she has realized h
• 若分式无意义，当时，则m=()-八年级数学
• I'd like to buy a necklace to____________ my new dress.[ ]A. suit B. fit forC. match D. go-高二英语
• —When shall we meet again, Jerry? Next Saturday or next Sunday?—It's up to you. Both________ me
• The police________ him to see if he had a gun.A．searched forB．searchedC．in search ofD．looked for-高一英
• In that terrible earthquake, who were killed was more than 60,000.A．a large number peopleB．the numbe
• He failed to_________ himself to the new environment.[ ]A. adaptB. attach C. adopt D. advocate-高二英语
• Have you got anything you can_____ as a cure for a headache? [ ]A. resultB. concern C. demandD. reco
• Tom ________a little role in the work.[ ]A．madeB．actedC．offeredD．played-高一英语
• After her son was lost, the old lady's hair ________ grayer and grayer.[ ]A．goB．wentC．changedD．
• 128. Their voices __________ to a whisper and I didn’t know what they were talking about.A．becameB．h
• We went to Canada to travel and my cousin ___ as our guide.A．played B．showed C．actedD．performed-高一英语
• Her shoes _________her dress; they look very well together.[ ]A. suit B. fit C. compare D. match-高二英