计算：（1）（2a-b）（b+2a）-（3a+b）2（2）(12)-2-(3-1)0（3）简便方法计算：（-0.25）2009×42010．-数学

更多内容推荐

• —Why are you so late?—The driver couldn’t see clearly because of the fog．____, the road was too icy．
• Unlike the earth, Mars is too cold and Venus is far too hot _______ there to be any life.A．asB．soC．l
• 计算：(π-3.14)0-3-2+(23)2-数学
• Her efforts resulted________her success while her brother’s failure resulted________his laziness.[ ]
• —Mom，dad is smoking again!—Well，let him cut it ________ gradually since old habits die hard.A．offB．d
• 若（x-1）0有意义，则x的取值范围是______．-数学
• 计算：（12）-2-（2+3）0+|-2|+tan60°．-数学
• Contrary to popular belief, taking a walk immediately after meals doesn’t _______ do good to our hea
• 计算2-1的结果是（）A．12B．-12C．2D．-2-数学
• 计算：(3-2)0+3102-62．-数学
• — Did he break it accidentally?— No, ________.A．by mistakeB．by chanceC．on purposeD．with purpose-高三英语
• _________ the fact that many drivers are ever trained, we cannot stress too much theimportance of tr
• 计算：2-1+(3-1)0=______．-数学
• （2010·宝鸡模拟） After watching the movie Avadar, Mary lay in bed with her eyes_______ open while all her
• We hope to finish our experiment________.A．long beforeB．fastC．before longD．fastly-高一英语
• I used to feel very nervous when I stood up in front of others, but now I feel quite ______when givi
• Progress so far has been very good.We are________confident that the work will be completed on time.A
• 计算：（1）(3-2)0×(12)-1+3-8；（2）25(420-345+25)．-数学
• （1）18-3+63+（3-2）0+(1-2)2；（2）|-2|+(13)-1×(π-2)0-9+(-1)2-数学
• Luckily, the driver _____ missed hitting the tree by only several inches.A．nearlyB．slightlyC．narrowl
• We are all aware _________ the many threats _________ the environment and we need to take action to
• 计算：（1）-38×16；（2）(-2)2-(3)2；（3）9-|2|+(π3)0．-数学
• You can’t get___________with being late every morning.A．awayB．outC．offD．outside-高一英语
• --- I merely made a joke with her, but she got angry. --- She _______ didn’t get it.A．apparentlyB．de
• He thought the jar made ______ earth ______ little value and let me have it ______ only 5 dollars.A．
• Drink driving should be treated as a crime ________ whether the driver causes a crash.A．according to
• For most Chinese young people in recent years, a house is within sight but _______ for lack of money
• A firm from New Zealand has revealed a set of robotic legs which they claim will soon allow ________
• We’ll go early．，we may not get a seat．A．OtherwiseB．MeanwhileC．HoweverD．Besides-高三英语
• 计算（1）x2+2xy+y2x2-y2（2）(4x2-4+1x+2)÷1x-2（3）(-12)-2+(119)0+(-5)3÷(-5)2．-数学
• （1）解方程：2xx-1=1x2-1+2（2）(-1)2009-(12)-2+16-cos60°．-数学
• 计算：3-27+(3)2-(π-2013)0-|π-4|．-数学
• As the idea of low-carbon life is now _____ accepted, more and more people travel by public transpor
• I am always delighted when I receive an e-mail from you. the party on July 1st, I shall be pleased t
• —Tom, why didn’t you go to work today?—Oh, the manager said he no longer wanted to see me again; ___
• One is expected to behave _________ on some special occasions. A．accuratelyB．preciselyC．appropriate
• (-5)0=______．-数学
• It was ________ impossible for her to catch the 9 o’clock train. I know she got up at 9:15．A．quiteB．
• 计算(3-1)0-|1-12|+(-2)2+318．-数学
• 平方根等于本身的数是______．计算：（π-2）0=______．-数学
• 计算：①8-3(3-6)-18；②(-3)0-27+|1-2|+13+2．-数学
• (-2007)0+(12)-2-(-2)3．-数学
• ______ you I owe a thousand apologies ______ having doubted your ability.A．For; toB．For; forC．To; to
• My parents always remind me to make sure the electricity is turned off while I am having a bath, whi
• Peng’s company makes __________700,000 yuan for each partnership it sets up and more importantly, be
• —Could you tell Lily the meeting place?—Sure, I will __________ when I see her.A．immediatelyB．probab
• Since David ______ downloaded a virus into his computer, he can not open the file now.A．readilyB．acc
• 分式的计算：①aa2-b2-1a+b②b2a-b-a2b-a+a+b③a-2b2（a2b-2）-3④3-x2x-4÷(x+2-5x-2)⑤3b-aa2-b2-a+2ba-b⑥(12a)-2b2(2a2
• 计算题：（1）(-12)2+14-(-1)2008+(π-3)0（2）（a+b）2-2a（b+1）-a2b÷b（3）5ab2-{2a2b-[3a2b-ab(b-2a)（4）解方程：（x-2）2-4=0
• With new technology, pictures of underwater valleys can be taken ____ color.A．byB．forC．withD．in-高三英语