计算或化简：（1）计算：|-3|+(5-1)0-(16)-2；（2）化简：1-a2a2-1÷aa-1．-数学

更多内容推荐

• This football player was accused of taking money for not scoring goals ______.A．by chanceB．on endC．i
• When we ran to the top of the hill, we were _____ .A．out of fashionB．out of workC．out of the questio
• It was raining heavily. Little Mary felt cold, so she stood ___to her mother.A．closeB．closelyC．close
• More than one-third of the Chinese in the United States live in California, _____ in San Francisco.A
• 计算：（1）(3-1)0+(13)-1-0.1259×89-(-5)2；（2）(a-2a2+2a-aa2+4a+4)÷(-4a+2)．-数学
• As is known________ us, the actress is known________ her excellent actingA．for; asB．to; forC．as; for
• It’s enjoyable to walk ______ a sunny morning.A. atB inC. onD. under-高一英语
• I’m not ill. __________, I ’m very healthy.A．HoweverB．On the contraryC．ThusD．Instead of-高一英语
• 下列计算正确的是（）A．(12)-2=14B．(13)-2=-9C．π0=0D．（a2+1）0=1-数学
• Please don’t run _____ far. A．muchB．moreC．thatD．fairly-英语
• 计算：(2+1)0-2-1+27-6sin60°．-数学
• In the good care of the nurses , the boy is recovreing from his heart operation .A．quietlyB．actually
• We' ve published large quantities of books. This year___ we've published three million.A．o
• 28. You have done wrong to Jack, _____you should say sorry to him. A．to whichB．for whichC．in whichD．
• Living with host families, ________ there may be other college students, gives her the chance to lea
• A terrible earthquake struck Yushu in Qinghai Province,so people there are badly________daily necess
• 下列算式中，正确的是（）A．x2÷x×1x=x2B．2x2-3x3=-x-1C．（x3y）2=x6y2D．-（-x3）2=x6-数学
• I believe that Mary hurt her boyfriend’s feelings on purpose rather than __________ as she said.A．in
• Having made his first film earlier this year, he is _____ starting in a new one.A．currentlyB．actuall
• （1）计算：（π-3）0+2-1-cos60°（2）解分式方程：1x-1=12-x（3）先化简，再求值：a-3a2-1+1a-1，其中a=22-1．-数学
• My uncle’s house in the downtown area is much smaller than ours , but it is twice _______ expensive
• –Did you take enough money with you? –No, I needed _______ I thought I would.A．not so much asB．as mu
• （1）计算：4+(-2009)0-(13)-1+4sin30°．（2）先化简，再求值：a（a+2）-a2，其中a=-12．（3）解方程：2x-3=3x-2．-数学
• 计算：8-2sin45°+（2-π）0-(13)-1．-数学
• 计算：8-4sin45°+（2-π）0-（12）-1．-数学
• sin60°tan30°+|sin45°-1|+（tan60°tan4°）0．-数学
• 23．Mike must be angry with me, for he walked________me without even saying hello.A．pastB．onC．atD．Ove
• --- How ________ do you attend the evening classes? --- _______, three times per week.A．long; On the
• ①计算：|-3|+3•tan30°-3-8-0②先化简再求值：（x+2）（x-2）+x（3-x），其中x=2+1．-数学
• Did you benefit _________ the new way of doing business?A．toB．inC．forD．from-高一英语
• I must go now. _____, if you want that book I'll bring it next time.A．IncidentallyB．Accidentall
• I shall take you back to Beijing _____ you are well enough to travel.A．presentlyB．promptlyC．immediat
• He’s only 17 and____not eligible to vote.A．soB．thenC．alreadyD．/therefore-英语
• 计算：（-12）-2+（π-2010）0-2tan30°+(-3)2．-数学
• 当a＞0时，计算：9a2+(2009a)0-(12)-2+|-3a|．-数学
• 若3x=12，3y=4，则3x﹣y=（）；若（x﹣3）0=1，则x应满足条件（）．-七年级数学
• 若a=﹣0.32，b=﹣3﹣2，c=（﹣）﹣2，d=（﹣）0，则a、b、c、d的大小关系是_________．-七年级数学
• You’ll succeed _____because you are always working hard.A．on timeB．in timeC．at timesD．at the time-高一
• Bill always seems so self-confident, but _____ he’s extremely shy.A．in vainB．in contrastC．in reality
• If they do not give us a treat, we can play a trick ________ them.A．atB．onC．forD．to-高一英语
• 计算：-32+327-4tan45°+（12）-2+（sin20°+4）0．-数学
• Besides our group, we need some 20 extra workers _____ to get the work finished in time. [ ]A. aroun
• 计算：33+2cos60°+(3-π)2+（12）-1．-数学
• All too _____ it was time to go back to school after the glorious summer holidays.A．oftenB．fastC．soo
• She is organized, friendly to people, hard-working and clever. _______, I can’t speak too highly of
• _____ Monday morning he wrote an article on grammar._____ Monday morning he had written an article
• —You must apologize_____ your sister _____being so rude.—No way. It was her fault.[ ]A. with; about
• 计算：(2011-1)0+18sin45°-22．-数学
• His report was so exciting that it was _______ interrupted by applause. [ ]A. constantB. constantlyC
• Do you think that bridge ____ 2,000 meters long? It doesn't seem ____ long. [ ]A. measures, tha