179=______；a-b的相反数为______；(13)-2-(2-3)0=______．-数学

更多内容推荐

• 计算：（1）25-|-7|+(-1)2011-(13)-2+(5-2)0（2）48+23-33．-数学
• 化简：62-18-(12)-1+12-1-数学
• I've decided to keep all these stamps as they might be ________ some day.(2012·天津联考)A．of great
• Make sure the gas is turned off after cooking, which would cause danger to our life.A．somehowB．meanw
• If we leave right away,____ we’ll arrive on time.A．hopefullyB．curiouslyC．occasionallyD．gradually-英语
• -He seems to be doing nothing, buthe is just waiting for his chance.A．actuallyB．graduallyC．frequentl
• 计算（1）(π+1)0-12+|-3|（2）(6-15)-3-612．-数学
• 计算（1）x2+y2x-y-2xyx-y（2）ab22c2÷-3a2b24cd•(-32d)（3）aa-1÷a2-aa2-1-1a-1（4）2x-6x-2÷(5x-2-x-2)（5）（x2y-1）-3
• 若x2-2x-2=（x2-4x+3）0，则x=______．-数学
• There’s no reason to be disappointed. ______, this could be rather amusing.A．Above allB．As a resultC
• 计算：(13)-1+(π+1)0-12+|-3|．-数学
• 计算和解方程（1）（π-3）0-（-2sin30°）-2-1+9．（2）（2x-3）2-x（x-2）=1-数学
• We don’t have enough money .We,_______, can’t afford to buy the car.A．thereforeB．soC．howeverD．thus-高
• It was ___ that he had to ask for help.A．such big a job B．so a big job C．so big a job D．a such big j
• —May I borrow your computer?—Sorry, it is ________ at the moment.A．of no useB．out of useC．of useD．in
• Everything seemed to be going for the first two days after I arrived in New York.A．vividlyB．generall
• 计算：48-9145÷3235-(3)-1．-数学
• When he hurried to the railway station, tired and ________ of breathe, Mike found the train had just
• We are very annoyed ________ his mistake, because we have emphasized this for several times.-高三英语
• （-3.14）0=______，2×（3-2）0=______．-数学
• 计算或化简：（1）计算：2-1-3tan60°+（π-2011）0+|-12|．（2）化简：(x+1x-xx-1)÷1(x-1)2．-数学
• His humorous closing speech was a welcome addition to the _____ dull meeting. [ ]A. therefore B. mea
• People won’t pay attention to you when they still have a lot of ideas of their own crying _______exp
• Most nurses are women, but in the higher ranks of the medical profession women are in a ________.A．
• A society cannot be successful if it throws tradition away, but it cannot be successful ____if we do
• |-2|-22+（12）-1+（-1）2006．-数学
• She managed to climb out of the car, ______ unhurt.A．apparentlyB．occasionallyC．freelyD．peacefully-高二
• 计算、解方程：（1）|-2|-(1+2)0+4；（2）x（2x-5）=4x-10-数学
• The system has been designed to give students quick and easy access ________ the digital resources o
• 求值：（1）化简后求值：（1-3a）2-2（1-3a），其中a=-1．（2）化简：(-1)2010-|-7|+9×(5-π)0+(15)-1．-数学
• There was such a long queue for the ticket that I ________ gave up, though I wanted to attend the co
• The lab ________ construction will be completed next month.A．atB．underC．forD．in-英语
• It is unbelievable that Mr. Lucas leads a simple life __his great wealth.A．withoutB． despiteC． inD．t
• Those poor and needy teenagers were excited to find a shop at the corner where they could buy ____ p
• Don’t defend him any more. It’s obvious that he ______ destroyed the fence of the garden even withou
• Do not let any failures discourage you, for you can never tell ________ close you may be to victory
• 计算：(-12)-2+2sin60°-13-2．-数学
• His house was burnt________the ground due to the big fire, ________ made him homeless.-高三英语
• （1）计算：(12)-2-4sin30°+（-1）2009+（π-2）0（2）解方程：x2-4x=2496．-数学
• Smoking increases the risk of heart disease. The average smoker is about ____ to die of a heart atta
• （1）计算(12)-1+|3-2|-12-5×0；（2）若规定新的运算：a*b=a-1b2，计算（14ab2c）*（-2a-2bc-1）．-数学
• Traffic is bad, ________ in the city center during the rush hours.A．particularlyB．terriblyC．mostlyD．
• Please remember to put everything ________ before leaving the room.A．in the placeB．in needC．in the o
• Check carrots，potatoes, onions and any other vegetables_____ and immediately use or throw away any w
• --- The final score of the basketball match was 93—94. --- So we were only ______ beaten.A．nearlyB．
• Even though she had read the report carefully over and over, she glanced it ________ before handing
• 计算（要求写出必要的计算过程）（π-3）0-(2+1)(2-1)+12+|3-2|．-数学
• 计算（1）(-1)2-16+(-2)0（2）13+1+12+34．-数学
• 计算：(-2)2-2-2-(-23)-2=______．-数学
• The technology of electronic products is ________changing, so you needn’t follow the fashion.A．rarel