计算3-13的结果为（）A．83B．-23C．233D．3-数学

更多内容推荐

• 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
• 1223-632-1224．-数学
• 设a、b都是有理数，规定a*b=a+3b，则（4*8）*[9*（-64）]=______．-数学
• By the time the fire-engine arrived, the fire by the inhabitants.A．put outB．had been put out C．was p
• I stayed at a hotel the last time I went to Bei Daihe. The window of my room the sea.A．is facedB．fa
• She ____ the house the whole morning but it seems to be at least an hour before she finishes it.A．ha
• Until we have discussed all the details, no decision _______ about any new operations.A．will be made
• They won’t buy any new clothes because they ________ money to buy a new car. A．saveB．were savingC．ha
• －－When _______ we meet again?－－_______ it any time you like.A．will； DoB．will； MakeC．shall； DoD．shall
• Jack could have avoided that terrible car accident, but he ________ careful enough.A．is notB．was not
• -----_____ leave at the end of this month.-------I don’t think you should do that until _____ anothe
• He is the only one of the students who _____ a winner of scholarship for three years. A．isB．areC．hav
• — What on earth happened to that woman selling newspapers? — I don’t know. She ____ around here for
• 计算：a28a+3a50a3-a218a3．-数学
• I’m writing to tell you that my family ____ wild animals in Kenya next Sunday.A．is seeingB．will be s
• –How are you feeling about the story of a young lady’s being taken away by a UFO last week?--We are
• 计算27-12的结果为______．-数学
• 已知xy=3，那么xyx+yxy的值是______．-数学
• —I haven’t finished my essay because the computer broke down when I was downloading the required dat
• According to the statistics, although more books ________ in recent years, Chinese people spend ____
• She was surprised to find the fridge empty ; the child everything .A．had been eatingB．had eatenC．hav
• In the near future, more advances in the robot technology by scientists .A．are makingB．are madeC．wil
• —Mom, today I received a message telling me to send money to the account.—Delete it. It’s a trick. M