计算：212-613=______．-数学

更多内容推荐

• 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
• —Peter, you look so tired and wet all over!—Yes, all afternoon I ________ football on the playground
• The best way to prevent the air polluting _____ , but the sky is still not clear.A．is usedB．are used
• Upon their entering the tomb, Carter’s lucky pet bird, which he ____ in Cairo, was swallowed by a sn
• The police _____ the lost boy everywhere when he suddenly turned up in a supermarket.A．searchedB．se
• She was surprised to find the fridge empty；the children _____ everything !A．had been eating B．had ea
• If one succeed， one must put his heart into his career.A．willB．is going toC．is toD．is about to-高三英语
• 计算：18+2=______，18-8=______．-数学
• 下列计算结果正确的是（）A．2+5=25B．52-5=2C．53+3=63D．3+25=215-数学
• When and where to build the new factory ___ ________ yet.A．is not decidedB．are not decidedC．has not
• — The “No.1 Document” is designed to help the rural population increase their incomes.— I believe th
• Instead of telling the joke he _______, Crystal made up a new one.A．madeB．has madeC．had madeD．would
• ----Why didn’t you see me wave to you then ? ----Oh, If so. I must say sorry. I think I____ in the o
• –What did you say? --So you _____________ to me.A．won’t listenB．didn’t listenC．haven’t listenedD．wer
• When I got on the bus，I_____I had left my wallet at home．A．was realizingB．realizedC．have realizedD．w
• With the development of science, more new technology ______to the field of IT.A．has introducedB．is b
• 化简二次根式：8+9=______．-数学
• 化简：1232x3+2xx2-x250x=______．-数学
• 化简：a8a-2a218a+32a3(a＞0)．-数学
• Social attention should be paid our earth from.A． to prevent; being pollutedB． to preventing; pollut
• It is reported that China will not buy the Euro debt until some thorough research ______.A．will be d
• In the past decades, sea ice _____in the Arctic as a result of global warming.A．had meltedB．has been
• —Mom, where is my lunch pack? —Just where it. A．has beenB．had beenC．wasD．will be-高一英语
• I don’t think she saw me just now. She_________ the beautiful vases.A．just admired B．had just admire
• If I were in a movie, then it would be about time that I ____my head in my hands for a cry.A．buryB．a
• It has been five years since this party____. Many people wonder whether it will stay on.A．has come t
• -----Don’t buy her chocolate as birthday present.------No. Of course not. I know very well that she
• Now that she is out of a job, Lucy ______going back to school, but she hasn’t decided yet.A．had cons
• By the end of last year, we _________seven hundred English words.A． learnedB．have learnedC．had learn
• It’s high time that we _____ measures to stop selling polluted vegetables. A．must takeB．take C．tookD