用换元法解分式方程，若设2x2-x=y，则原方程可化为关于y的整式方程是（）。-九年级数学

更多内容推荐

• Our English teacher is ill, and we are all ______ her health.A．concerned aboutB．careful ofC．grateful
• 解下列方程：（1）；（2）。-八年级数学
• Considering his health, I advise him to _____an hour or two each day to work out.A．set asideB．set of
• — What did the doctor say?— He _______ Jim to _________in bed for 2 days. [ ]A. said; lieB. advised
• Little Johnny felt the bag, curious to know what it_______. [ ]A. collectedB. contained C. loadedD.
• Finally I turned the key in the lock and_____ the door open, with Dad still complaining (抱怨) about a
• He _____coffee at all. He ____tea.[ ]A. doesn't like;prefersB. likes;doesn't preferC. woul
• Oprah (奥普拉 ) , thequeen ofAmericandaytimetalk TV,is _______one of the most powerful women in thewo r
• As they haven't a child of their own, they're going to _____a little girl.[ ]A. accept B.
• The issue of shortening the school time to four days and a half every week _____ at the meeting. [ ]
• 解答下列各题：（1）计算：；（2）解不等式组并写出该不等式组的整数解；（3）解方程：。-九年级数学
• 解方程：-八年级数学
• The school isn’t the one I really wanted to go to, but I suppose I’ll just have to ______it,A．make t
• He was in poor health, so the doctor _____ to drink wine. [ ]A. stoppedB. demanded C. forbade D. pre
• I called the airline to _____ my flight reservation a weekbefore I left for Canada. [ ]A. appoint B.
• --- Have we ______ water?--- Yes, _____. We’d better get some.A．run out of; we have run it outB．run
• 解分式方程：（1）；（2）。-八年级数学
• The cost of staying in this hotel is higher than that in other hotels,but the breakfast is ________
• 解下列方程：。-八年级数学
• — Why don't you put the meat in the fridge?— It will____fresh for several days.A. be stayedB. s
• Our teachers often make us____ a lot ofhomework on Saturday and Sunday.[ ]A. to doB. doingC. doD. do
• -What should I do for our trip?-______some food and fruit.[ ]A. PrepareB. To prepare C. Preparing D.
• After so many years of hard work, he finally _____ his goal.[ ]A. obtainedB. got C. achievedD. gaine
• The bill would____workers twelve weeks of unpaidleave for family emergencies. [ ] A. permit B. suppl
• When I entered the room, I saw him____ at the picturein front of the classroom. [ ]A. glaring B. sta
• You'd better call the airline to ____ your flight reservation a week before you leave for Ottaw
• At the meeting, many problems , which mean we still had a long way to go.A．came up withB．came alongC
• There was a hole in the door, through which I ___ sight of Mr. Brown sitting in a chair. [ ]A. caugh
• 解分式方程：。-九年级数学
• He is _____ careless a student that he often _____ some letters while writing.A．such; leaves onB．so;
• 方程的解是[]A.-1B.2C.1D.0-九年级数学
• Whether ways will be found to help China ____ thecurrent world financial crisis is just _____ worrie
• The manager had fallen asleep where he ____without undressing. [ ]A. was layingB. was lying C. had l
• He_____at the space, and just keptsilence for a long time. [ ]A. staredB. watch C. observedD. saw-高三
• She added that Wickham believed in the mission of Hospice and her gift ____ it possible to construct
• 5．Chang Xiufeng, known as China’s “Van Gogh Granny”, uses her tools to vividly_______old memories an
• Look, the book still ____ where I ____ it the other day. [ ]A. laid; lied B. lied; layC. lies; laid
• 分式方程的解为（）。-九年级数学
• Just as I rounded the corner, I _____ a stranger trying to enter Mr. Tailor's House, whose face
• But for his help, we wouldn't have succeeded. So we ______ his timely aid. [ ]A. distributedB.
• It’s already 10 o’clock. I wonder how it ____that she was 3 hours late on such a short trip.A．came a
• She pretended _______when I came in. A．to readB．readC．to be readingD．reading-高二英语
• When he came to, he found himself ____a chair, with his hands_____back..A．to sit; tiedB．sitting; tyi
• Rather than _____on a crowded bus, he always prefers _____a bicycle.A．to go; ridingB．to go; to rideC
• When can you _____ the book?[ ]A. read finishingB. finish reading C. finish to read D. finish read-高
• One reason why the housing prices in big cities are going up all the time is that people are _______
• Mary liked the watch so much that she used what she had to pay for it. Now only five cents____.[ ]A.
• Parents _____ much importance to education. They will do their best to give their children that pric
• InawayIcanseewhatyoumean,eventhoughIdon't____yourpointofview.[ ]A.agree B.permit C.recognize D.
• In spite of failing to save every endangered species, we may____ the majority from extinction.[ ]A.