计算：（1）45+45-8+42（2）(548-627+415)÷3（3）(a+2b)(a-2b)-数学

更多内容推荐

• The song writer and music composer ________ to show up at the press conference next week.A．are going
• （1）239x+6x4-2x1x（2）解方程：x2+4x-1=0-数学
• 计算：8+313-12+32．-数学
• —I haven’t heard from Henry for a long time.—What do you suppose________ to him?A．will happenB．has h
• ---Guess what? We’ve got our visas for a short-term visit to the UK this summer.---How nice! You ___
• ------ Can I help you? -------- No, thank you. I __________ now.A．have been servedB．have servedC．am
• 7a8a-2a218a+7a2a-数学
• 计算：a+-=（）。-九年级数学
• 两个无理数的和是5，则这两个无理数可能是______（填两个具体的数）．-数学
• Cathy is taking notes of the grammatical rules in class at Sunshine School, where she ______ English
• 计算：9a2b-ba2b(a≥0，b＞0)．-数学
• Look at the pride on Tom’s face. He _____ to have been praised by the manager just now. A. seemedB.
• 下列计算中，正确的是（）A．2+3=5B．2+2=22C．32-2=22D．18-82=9-4=1-数学
• 计算22-62+32．-数学
• Every time she was in trouble, she went to him for help, as he said he ___ do anything for her.A．sho
• I didn’t know Jane ________in Paris. How long ______here?A．is; does she liveB．was; has she beenC．has
• —Has your brother found an apartment yet?—No, he's still living in a room downtown, but I ____
• Life abroad was not easy for him, and it was several years before he ________ the whole community.A．
• 12+3=______．-数学
• 计算8+63+8-63的值为（）A．32B．23C．52D．25-数学
• 计算3-13的结果为（）A．83B．-23C．233D．3-数学
• 计算：5x5+x5x．-数学
• They _________ on the program for almost one week before I joined them, and now we are still working
• 计算：（1）1220-5215+515+45-12405；（2）43-118+13-7198；（3）b+a3b-（b3+1ab）；（4）x4y4-x2y2-xy2+y3x-y(x＞y＞0)．-数学
• --- May I speak to your manager Mr. Williams at five o’clock tonight? --- I’m sorry. Mr. Williams to
• Many a student _____ going to attend the meeting tomorrow.A．isB．wasC．areD．were-高三英语
• --- I saw your uncle take a taxi to the airport. Why didn’t you drive him there ? --- I ___. But my
• —Does John serve in the army?—No, but he________in the army for 8 years.A．would serveB．has servedC．i
• —What a pity!—Yes, I ____ his not trying it, but in vain．A．was suggestingB．will suggestC．would sugge
• —Have you ever visited the Water Cube? —Yes. When I served as a volunteer in Beijing, I it twice.A．h
• Bats are surprisingly long-lived creatures, some____________ a life span of around 20 years.A．haveB．
• 计算32+122-132-22的结果为（）A．2B．72C．726D．33-数学
• 解答下列各题：（1）计算：（48+20）-（12-5）；（2）解一元二次方程：x2-2x-4=0．-数学
• Where were you at lunch time? I ________ a seat for you in the dining hall.A．savedB．was savingC．had
• A trend_______ that 3D films will become more popular ever since the film Avatar hit the market.A．ha
• Isn’t it lovely to think that I ________ myself on the sunny beach tomorrow at this time.A．will enjo
• I have to go to school by bus because my bicycle _____.A．will be repairedB．is repairedC．has been rep
• I don't know if you noticed their behaviors or not, but we______.A．wereB． haveC． hadD． did-英语
• 计算：12+8=______．-数学
• These days, we _____ for our final exams.A．are prepared B．have preparedC．are preparingD．will prepare
• 计算73-613=______．-数学
• 计算（1）23-712+427（2）（48+20）+（12-5）（3）48-913+312．-数学
• 已知2009=x+y，且0＜x＜y，则满足上式的整数对（x，y）有______．-数学
• Last month, the Japanese government expressed their thanks for the aid they ______ from China.A．rece
• In the last few years thousands of films __________ all over the world. A．have producedB．have been p
• --Have you turned off the light?—Sorry, I ___ all about it.A．have forgottenB．forgotC．had forgottenD．
• — How do you find the oil price now?— It _____ up all the time and no one knows when it will become
• The farm as well as its neighboring hills we once spent so much time ___ a new look recently.A．on ha
• 计算23-7-(5-7)的值为（）A．2B．-2C．-2-27D．-2+27-数学
• 计算：212-613=______．-数学