计算：（1）12x-12x+127x-50x；（2）(-12)0+(12)-1+33+(3-2)2．-数学

更多内容推荐

• During the the Qingming Festival many Chinese will go to clean the tombs and light incense _____ the
• The pilot,(飞行员) whether ______ or on purpose, made the plane do a sharp turn.(急转弯)A．by accidentB．at
• He could see the tall chimneys of the factory ______.A．from distanceB．in distanceC．in the distanceD．
• He wants to see changes in the company and I am sure he will, ______.A．on timeB．at a timeC．at one ti
• Women’s earnings are well below men’s, ______ educational difference that are decreasing between the
• It is sometimes said that a society can be judged ____the way it cares ____ its weakest members.A．on
• （1）解方程：x2-4x-12=0；（2）计算：18+(π-3.14)0-2．-数学
• —Now that you like the house with a garden, why not buy it? —Well, I can’t afford ________ house at
• Wei Hua told me that Wu Dong was＿＿＿＿＿＿＿ill. A．terribleB．very terrible C．terriblyD．too terrible-英语
• When we climbed up to the top of the mountain, we were all ___________.A．out of the breathB．short of
• 计算：2sin60°-3tan30°+(13)0+(-1)2010．-数学
• 计算：(-12013)0+|3-2|+3tan30°-2cos45°．-数学
• In the worst-affected regions, many areas remain in chaos(混乱), with roads inaccessible, public trans
• It was considerate _____ you not to play the piano while I was asleep.A．ofB．forC．toD．from-高三英语
• He began to take political science ________ only when he left school. A．strictlyB．trulyC．carefullyD．
• You don’t have to be angry with him. He ________ wanted to know the truth. A．almostB．mostlyC．merelyD
• （1）计算：-12012+(12)-2-(tan62°+2π)0+|27-8sin60°|，（2）先化简，再求值：（a2-5a+2a+2+1）•a2-4a2+4a+4，其中，a=2+3．-数学
• The teacher took ____ the lesson where she stopped and finally she set_____ a few minutes to let us
• Read the passage ______ which I__________ in my talk.A．from; inferredB．to; preferredC．to; referredD．
• 计算（1）（12）-2-23×0.125+20120+|-1|（2）（-a2b3c4）（-xa2b）2（3）（-m）2-（m2）2÷m3（4）-2a2（12ab+b2）-5ab（a2-ab）-数学
• ________ having fun with friends, travelling around the world will be another way to relax and learn
• I’ve got ＿＿＿＿＿＿work to do on a ＿＿＿＿＿＿＿＿ cold day. A．much too； much tooB．too much； too much C．too muc
• I was wondering what to do and＿＿＿＿＿＿Mr. Wang came in. A．justB．just nowC．just thenD．justly-英语
• ________your help，how could I have passed the difficult interview!A．But forB．Thanks toC．Owing toD．A
• The new group of students is better-behaved than the other group who stayed here ________. A．earlyB．
• 计算下列各题（1）2x27x+6x43x（2）cos30°+sin45°-tan30°•tan60（3）27-1513+1448+12（4）27+2sin30°+（x-2）0-2．-数学
• 计算题：①|-2|-116+(-2)-2-(3-2)0；②12×12-32÷133．-数学
• . The ancient Chinese vases _______ display attracted lots of experts and collectors, some of whom s
• ----What about going on a trip?----Sound a good idea. But I don't have time now and____it'
• 计算或化简（1）（12）-2×（3-2）0÷（-13）-1（2）4x2-4+42-x．-数学
• For a long time, he hesitated whether he should tell us ____ what had happened. A．at duskB．at length
• 计算或化简：（1）|2-tan60°|-（π-3.14）0+(-12)-2+1212（2）a-1+a2-1a+1．-数学
• David jumped＿＿＿to get the first＿＿＿the beginning of the sports. A．enough high； inB．enough highly； in
• The final score of the basketball match was 93-94. We were only ________ beaten. A．nearlyB．slightlyC
• No one can prevent the plansout.A．to be carried B．from carryingC．not to carryD．from being carried-高一
• Maybe there is some business aspect to the Royal Wedding of William and Kate Middleton but ________
• Tom was _____ to go to bed when the telephone rang.A．likelyB．about C．toD．around-高二英语
• It is _________ pleasant to take a crowded bus.A．by no meansB．by means ofC．by all meansD．by any mean
• Many developing countries are unwilling to pursue their economic development ______ destroying the e
• ___ the help of computers , there are no ___ problems.A．Under; soB．Under; manyC．With ;suchD．With ;so
• 计算（1）|-12|-9+(π-4)0-sin30°（2）tan60°-23-1+(12)-1+(-2007)0．-数学
• Work gets done ________ when people do it together, and the rewards are higher too. A．easilyB．very e
• （1-π）0=______．-数学
• When the exam is over, you should hand in your exam papers, finished or _____. A．somethingB．otherwis
• The beach is _________ walking distance of my house.A．atB．withinC．forD．to-高一英语
• When you drive home, you can’t be＿＿＿＿＿＿＿careful. A．veryB．tooC．soD．only-英语
• Please drop ＿＿＿＿＿＿＿ my home when you are free. A．inB．onC．in onD．in at-英语
• （1）计算：8+(12)-1-4cos45°-2÷12（2）解方程：x2-2x-2=0．-数学
• When asked about their opinion about the schoolmaster ,many teachers would prefer to see him step as
• 2-3等于（）A．-6B．18C．-18D．16-数学