计算：(-12)-1-3tan30°+(1-2)0+12．-数学

更多内容推荐

• （1）计算：tan45°+12×2-1-30（2）化简：（a+1）（a-1）+a（1-a）-数学
• 改错.The Internet is playing an important part on our daily life. In the net, we can learn about news
• 化简计算：（1）|-6|+(π-3.14)0-(-13)-1（2）（-2x3）2-（-x2）÷[（-x）2]3（3）（3x-2）（-3x-2）（4）（2a-b）2-（2a+b）2．-数学
• Although she doesn't like to live in the country, _______ , she goes there for a picnic. [ ]A.
• -Why do you suggest we buy a new machine?-Because the old one has been damaged _____.[ ]A. beyond re
• When you arrive at the hotel, you’ll______ notice the friendly staff, who will make your holiday a w
• _______ winning Video of the Year, Lady Gaga also took home another seven prizes.A．Owing toB．Instead
• Expo 2010 Shanghai has been an extraordinary celebration of global business and culture, and it has
• This is the main use that the scientists make _____natural resources. [ ]A. in B. up of C. from D. o
• people who often stay up too late are more likely to die of heart disease, ___________a study.A. wit
• —Would you like to help us?— , no.A．In a wordB．In wordsC．In wordD．In other words-高二英语
• 计算：（﹣）﹣2+（﹣）﹣1=_________．-七年级数学
• 计算：(13)-1+(π-3.14)0=______．-数学
• 计算：（1）(2-3)0-(12)-2+(14)2010×(-4)2010（2）2（a4）3-a2a10+（-2a5）2÷a2（3）（x-1）（x-2）-3x（x+3）+2（x+2）（x-1），其中x
• 计算：（1）x2x-1-x-1（2）4+(-2008)0-(13)-1+|-2|（3）（2ab2c-3）-2÷（a-2b）3（4）x2-y2x÷(x-2xy-y2x)（5）6x2-9+1x+3．-数学
• The problem is not ____ so easy as you think. It’s far from being settled.A．hardlyB．almostC．nearlyD
• _____ three influenza type A virus subtypes(子类型) have been found in pigs.A．By farB．As far asC．So far
• The teacher criticize me, so I must finish my essay about agriculture,farmer and rural areas today__
• 短文改错。 文中共有10处语言错误，每句中最多两处。错误涉及一个单词的增加、删除或修改。 增加：在此处加一个漏字符号（∧），并在其下面写出该加的词。 删除：把多余的词用斜线-高三英语
• The dog may be a good companion for the old. ________, the need to take it for walks may be adisadva
• He slipped and broke his leg. _____, he’ll have to be away from school for two or three months.[ ]A.
• 计算：=_________．-七年级数学
• As long as you’ve paid ____ advance we won’t charge you ____ delivery.A．by: forB．in; withC．in; forD．
• Queen Elizabeth II is often thought to be the richest woman in the world. ________, her personal wea
• No one expected house prices to fall,but________that's exactly what happened.[ ] A. moreoverB.
• Do you mind if I book it ________ now and I'll call you back later to confirm?[ ]A. temporarily
• The hotel is almost finished, but it ________needs one or two weeks to get ready for guests.[ ]A. on
• George Washington selected the city the site of the US capital, but the name “District of Columbia”
• The island is________ attractive in spring and autumn because of the pleasant weather in both season
• — Dr White has got plenty of information about UFO. He's promised to offer it to me.— I have as
• Was it in 1969______ the American astronaut succeeded ______ landing on the moon?A．when; onB．that; o
• She was a very good wife and a very careful mother: she looked after her children unceasingly and wa
• Countries in Southeast Asia have ________ become familiar with Chinese brands, but there is still a
• ______ a personal note, I believe that cloning human embryos with the intention of destroying them s
• Many kinds of animals and plants die ____ every year. A down B away C out D from-高一英语
• I couldn't find Peter,did I know where he had gone.[ ]A. neither B. nor C. so D. and-高三英语
• 20120=______．-数学
• You can't be ______ when you camp _____ an high altitude, where the air is thin. [ ]A. enough c
• 计算（34）0=______．-数学
• The park was named Bing Hong Park ____________ a famous painter Huang Binghong．A．in celebration ofB．
• Due to the aging water supply facilities and poor management, waste of water is ________ severe in t
• After the new technique was introduced, the factory produced _______ cars in 2010 as the year before
• He's badtempered, selfish, and ________ an unpleasant man.[ ]A．somehowB．altogetherC．otherwiseD．
• Don’t worry . He will get here_________.A．all the timeB．at one timeC．at a timeD．in no time-高三英语
• —How do you find this new movie?—It's_____ interesting than expected.[ ]A. a great deal much B.
• 填空：（1）计算：20=______．（2）在①正方形，②直角三角形，③梯形这三个图形中，中心对称图形的是______（填序号）．-数学
• -How are you getting along ________？-Very busy.I always work until________ into the night.[ ]A．late;
• Do you think shopping online will________take the place of shopping in stores?[ ]A．especiallyB．frequ
• The fireman started to put out the big fire_____ arriving at the burning building.A．byB．onC．atD．in-高
• In fifteen terrible seconds a large city .A．lied in ruinB．lay in ruinC．lied in ruinsD．lay in ruins-高