先化简，再求值：，其中x满足x2-3x+2=0。-九年级数学

更多内容推荐

• 计算：-八年级数学
• 先化简：（-）÷，然后选取一个适当的a值代入求值.-八年级数学
• Ladies and Gentlemen, please remainuntil the plane has come to a complete stop. A．seatedB．seatingC．t
• __________ the experiment right, I tried again and succeeded.A．Not having doneB．Having not doneC．Not
• When _________ where he had put the book, he kept silent.A．askB．askingC．to askD．asked-高一英语
• The young lady prefers dressing up for a party toby others.A．be noticedB．noticingC．having been notic
• 先化简，再求值：，其中x=。-九年级数学
• I would sooner ________ the chance, which is not easily taken, than ________ my friend.A．not to take
• The lecture, _____at 7:00 pm laze night, was followed by an observation of the moon with telescopes.
• Pressed from his parents, and ______that he has wasted too much time , the boy is determined to stop
• 先化简，再求值：，其中。-九年级数学
• 先化简，再求值：，其中x=-2。-九年级数学
• 计算：（）-八年级数学
• 先化简，再求值：，其中-八年级数学
• Hangzhou Metro Line 1 , into use in 2012, is expected to relieve the heavy traffic in this city.y ac
• 化简（）-八年级数学
• Time, ________ correctly, is money in the bank.A．to use B．used C．using D．use-英语
• 化简：（）。-八年级数学
• 请你阅读下列计算过程，再回答所提出的问题解：（A）（B）（C）（D）（1）上述计算过程中，从哪一步开始出现错误：_______________（2）从B到C是否正确，若不正确，错误的原因是______
• Soon we lost sight of that famous astronomer _________ himself LiQiang.A．calledB．calling C．to call D
• 化简：-八年级数学
• Chinese President Hu Jintao called for an immediate cease-fire in Libya ______ an even worse humanit
• 化简=（）-八年级数学
• I felt it an honor _______ to speak here.A．to askB．to be askedC．askingD．having asked-高二英语
• ________more about university courses, call (920) 746-3789.A．Finding outB．Find outC．To find outD．Hav
• _____ to sunlight for three days during sports meeting, everybody got a little sunburnt.A．To exposeB
• The cheater managed to cheat Lisa by ______ her into thinking he was rich at first. A．misreadingB．mi
• Now when people refer to England you find Wales______ as well.A. includeB included C. includingD. in
• I feel it is your husband who _______ for the spoiled child.A．is to blameB．is going to blameC．is to
• 先化简，后求值：，其中x=3.-八年级数学
• When I wanted to express my thanks to him, wordsme. I just held my hands firmly and choked.A．leftB．e
• 先化简，再求值：，其中．-八年级数学
• 先化简，再求值：)，其中x=。-八年级数学
• Taiyuan，a city in North China，was struck by a heavy snowfall last week，________serious traffic probl
• _____ in the film The Water Margin as Song Jiang has helped actor Zhang Hang Yu gain more fans.A．Sta
• The element radium, ______ in the chemistry lab, gave off a blue light.A．discoveringB．to be discover
• The fruit ______ fresh in his fruit stand(货摊) sells well. A．lookedB．lookingC．lookD．to be looked-高二英语
• ---The new Wanda Plaza in Yinchuan has been open !---I’ve got the news. But many people find when t
• 化简：=（）；=（）-八年级数学
• by the teacher in class is not a bad thing, but a good thing.A．Being askedB．AskingC．AskedD．Ask-高三英语
• 先化简，再求值：，其中，。-八年级数学
• 已知：=3，则=（）。-八年级数学
• a，b，c为△ABC的三边，且分式无意义，则△ABC为（）三角形。-八年级数学
• You’d better have your shoes.A．mendingB．to mendC．mendD．mended-高三英语
• —I’m going to Beijing next week. Do you have anything ______to your son?—No，thanks.A．takenB．to takeC
• ---The last one ______ pays the bill.--- Agreed.A．arrivedB．arrivesC．arrivingD．to arrive-高三英语
• ____ quiet, for, you see, the baby is sleeping!A．To keep B．Keep C．Keeping D．Kept-高二英语
• 计算的正确结果是[]A.B.C.D.-八年级数学
• Ratherthan________onacrowdedbus, healwaysprefers_________a bicycle.A．ride; rideB．riding; ride C．ride
• ______ twice, the postman refused to deliver our letters unless we chained our dog.A．Being bittenB．B