计算：（1）(3-2)0-(-12)2÷2-2-(-1)3（2）aa2-2a+13-a÷2-a9-a2（3）12x-1x+y(x+y2x-x-y)（4）a2a-1-a-1．-数学

更多内容推荐

• The dog, if trained _____, will be made a good watch-dog one day.A．hopefullyB．personallyC．usuallyD．p
• Your attention should be focused ______ your homework rather than TV programs. A．onB．intoC．toD．for-高
• This picture book is intended ______ the children who begin to learn Chinese words.A．toB．withC．forD．
• Though in fact he got , there was no doubt that he had meant to offer help.A．in a wayB．in the wayC．o
• I only intended to be there for a few days, but Iended up staying for a whole month.A．fortunatelyB．a
• Don’t have the children playing _____ in the sun . It’s ______ hot today.A．very much ; so muchB．so m
• The firemen broke down the wall so that they could gain quick access _____the building on fire.[ ]A.
• He convinced me __________the difficulty of the work.A．onB．atC． forD．of-高二英语
• He often goes to the coffee bar ________it rains.A．despiteB．except thatC．except whenD．besides-高二英语
• 计算：(-1)2012-8+22+(-12)-2-|2-5|．-数学
• 计算：（1）|2-2|+3-27-4（2）132-122-(3-2)0+(12)-1．-数学
• It seems that living green is _____easy and affordable. A small step masks a big difference. [ ]A. e
• （1）计算：4+（-2010）0-1；（2）解方程：3x=2x-1-数学
• I guess we’ve already talked about this before but I’ll ask you again just _______.A．by natureB．in r
• I might fail, but _______ I insist on doing it. I don’t mind what the result will be.A．howeverB．anyh
• — Ugh, what a mess! You need to clean the room right now, lazy bones!— But the exam is approaching!A
• Why are you so anxious? It isn't your problem ____.[ ]A. on purpose B. in allC. on timeD. after
• But I want five thousand dollars _________. I'll need some operating cash, right?A．in debtB．in
• _____ small, the company has about 1000 buyers in over 30 countries.A．AsB．IfC．AlthoughD．Once-英语
• 计算：9-|-5|+(10-2)0-3-8．-数学
• Across the bridge and _______a vast carpet of green land stands the King’s college, the largest and
• He handed in the essay two days later than his classmates，but it was still _____the time limit set
• As the old Chinese saying goes, only through reading thousands of books one can write ___.A．fluently
• 若(12x-1)0=1，则x的取值范围是______．-数学
• --- Credit cards areuseful when travelling.—True. They save us the trouble of taking too much cash.A
• I posted the letter some time _____ the week . A．inB．duringC．throughoutD．within-英语
• Our efforts resulted________failure.I think I’m also responsible________it.A．in；toB．from；toC．in；forD
• As we have much time left, let's discuss the matter ____ tea and cake. A．withB．byC．overD．at-高一
• Known _______ one of the four greatest ancient civilizations in the world, China is attractive _____
• If you lose a customer, regret it _____ excuse it, or you will lose him for ever.A．as well asB．rath
• I want to see him he arrives. Which of the following is wrong.A．at the momentB．directlyC．immediatel
• The great success of this program has been largely _____ the support given by the 10 local business
• 计算：（1）4+(-2008)0-(13)-1+|-2|（2）（x-y+9）（x+y-9）（3）[（3x+4y）2-3x（3x+4y）]÷（-4y）（4）a2-b2a2b-ab2÷(1+a2+b22a
• It was a real race _______ time to get the project done. Luckily, we made it. A．overB．byC．forD．again
• There is little chance that we will manage to change the law. , it is important that we try.A．Theref
• 下列运算中，正确的是（）A．0.50=0B．（9-3-2）0=0C．（-1）0=1D．（-2）0=-2-数学
• 下列各式计算正确的是（）①26÷22=4；②（23）2=26；③20=0；④25+25=26；⑤32x2yz÷8xy=4xz；⑥（2x+1）（x-1）=2x2-1；⑦（x-1）2=x2-1．A．①②⑤
• （1）解方程：（x-3）2+4x（x-3）=0．（2）解方程：2x2-4x-7=0（3）计算：12+|3-2|+(2-π)0．（4）24-12-2(3-1)．-数学
• You shouldn’t have quarrelled with the customs official. ________ helping the situation, you just ma
• In order to make up for the lost time, they are working ______.A．like crazyB．as crazyC．like crazilyD
• Although some people expressed their disagreement at the meeting, most of them were _____ the reform
• 当x______时，分式10x7+x有意义．当x______时，分式x2-16x-4的值为零．如果（a-1）0=1，则a的取值范围为______．-数学
• — I’m looking for a nearby place for my holiday. Any good ideas?— How about the Moon Lake? It is ___
• 计算：4+(2010-3)0-(12)-1=______．-数学
• 计算（1）14×16-19×3-0+(3-2)0（2）（6-215）×3-612．-数学
• 若（a-2）a2-4=1，则a=______．-数学
• _________, the subject belongs to biology.A．Strictly spokenB．Spoken strictlyC．Strictly speakingD．Sp
• The big building _____ construction will be a shopping mall in the city.A．inB．underC．overD．during-高一
• She's aiming ________ a scholarship. That is why she has been focusing her mind ________ her wo
• Jane helped me with my work last week when I asked for leave. ______, I’ll invite her to have dinner