[（a-2）-3]-1=______．x2y（x-3y）-1=______．(xy2x2)-4=______．-数学

更多内容推荐

• Much to my surprise, the eight-year-old boy______fixed my computer within ten minutes．A．skillfullyB．
• Public attention at the moment is focused___ the problems of industrial relations.A．intoB．towardsC．a
• 计算|2-1|+（2）0的结果是（）A．1B．2C．2-2D．22-1-数学
• They argued ________each other _________ where to spend the golden week.A．at; overB．with; aboutC．abo
• He argued _______ smoking, and insisted that it was ________ argument that smoking was harmful to he
• ______ their return, they were praised as national heroes.A．AtB．ByC．OnD．With-高三英语
• 计算：9+2-1-|-12|．-数学
• 计算：(-12)-1+27÷(-3)2+(13-4)0．-数学
• At first, he disliked his stepmother, but he learned to accept her___________.A．on timeB．in timeC．at
• She devoted herself __________ to her research and it earned her a good reputation in her field. A．s
• I advise you not to ask him for advice, as he was not good at getting his ideas ____.A．alongB．awayC
• _____ taking my advice ,he went and did just what I warned him against.A．Due toB．Apart fromC．Far fro
• Some people feel easy and comfortable to be served by others but when they are asked to serve others
• 计算-2-2的结果是（）A．4B．-4C．14D．-14-数学
• He wasdismissed from school because ofthe rule that alcohol is banned from all buildings.A．he violat
• 已知8x2m-3yn÷（-4xmy2）=-2x，则m-n的值是______．-数学
• （-3）0=______．-数学
• —How is everything going on with you in Australia?—Quite well. Not so smoothly as I hoped, _______.
• She felt completely during the vacation but now she has to go back to her work again.A．at seaB．at ea
• There were a lot of people standing at the door and the small girl couldn’t get _______A．betweenB．th
• It's ________ me why Alice gave up her job and got married.A．underB．aboveC．overD．beyond-高三英语
• ----Now that you like the computer so much. Why not buy it? ---Well, I can’t afford ______computer.
• 若（2x+1）0=1则（）A．x≥-12B．x≠-12C．x≤-12D．x≠12-数学
• —Why do you eat so little?—I’m _______ a diet to reduce some weight.A．inB．onC．withD．under-高一英语
• —The trip must have been terrible，wasn’t it?—No.________，I enjoyed every minute.A．On the other handB
• —You wouldn't be interested in two tickets for tonight's concert, would you?—_______, I w
• 下列各式：①（π-3.14）0=1；②10-3=0.003；③(45)-2=(54)2；④3-2=-32，其中成立的有（）A．1个B．2个C．3个D．4个-数学
• （1）计算：(12)-1+|-3|+(2-3)0+36（2）解方程：x2x-5+55-2x=1．-数学
• ---Are you going to the cinema this evening? ----No, the ticket is _____ for us.A．terribly expensive
• 2-1的值等于（）A．-12B．12C．-2D．2-数学
• ______ the challenges, I become stronger than I used to be. A．Rather thanB．Thanks toC．Instead ofD．As
• --How are the things in your village? --Modern farming methods have been brought ______ and the vill
• The contract is very important for both of you, so studying it________before signing is necessary.[
• If I were _________ younger, I would do ___________ I am interested in.A．some; whatB．any; whatC．some
• 计算：（1）18-32+22；（2）(13)-2+(π-3.14)0+128+(-1)3．-数学
• 当x______时，（x-4）0等于1．-数学
• .—Jenny, I've finished my summer school classes.—Well, Chinese is _______ difficult to learn,
• 计算3a-2b•2ab-2的结果为______．-数学
• –Tom wishes to win in the game.–Yes, I heard that. his goal set, he is really busy these days. A．ToB
• The kid was making noise just to attract attention. Let him be!A．in additionB．in vainC．on averageD．o
• ---How is your plan getting along?----I can’t carry on _____ any longer. Someone must help me.A．sing
• Most children need encouragement ______failure so that they can cheer up again.A．in favour ofB．in ti
• 23. It is said that a bridge is being built _____ the river.A．underB．toC．overD．At-英语
• Many of us would agree that improving country through technology has great potentials ______ food de
• You should know _______to spend all your money on those impractical fancy goods.A．other thanB．rather
• 计算：（2m2n-1）2÷3m3n-5．-数学
• —Where can I find a convenient hotel for the night,sir?—There is one beside the Guangming Square,and
• —He isn’t particular about his food.—Yes,he eats ______ anything.A．nearlyB．almostC．mostlyD．most-英语
• 计算（1）a2a-5-25a-5（2）（3×10-4）3÷（9×10-7）-数学
• Whoever helps the poor, I’ ll be______ him/her. A．in place ofB．in favor ofC．in common withD．in searc