计算：(12)-1+(5+3)°-2sin45°+12+1．-数学

更多内容推荐

• —You don't seem to be quite yourself today. What's wrong?—Oh, I'm suffering from a co
• 细心算一算（1）（23+32）（23-32）（2）20+5-45（3）|-3|+(2+1)0-12．-数学
• — Do you think we’ll get somewhere in he future.— I believe it’s quite_____ that we’ll make a differ
• Eight children were killed and five were woundedthe second knife attack that happened in Fujian Prov
• ______ all the international effort being made, we have to have faith that there will be solutions _
• Such a problem is＿＿＿＿difficult for a primary school student ＿＿＿. A．so； to workB．very too； to work ou
• The plane got back to the airport and landed＿＿＿＿at last. A．safeB．safelyC．safetyD．save-英语
• Nick, it’s good for you to read some books __________China before you start your trip there.A．inB．fo
• __will I give up. I believe I can manage it.A．At onceB． At no time C．Right nowD．The instant-高三英语
• （1）先化简，再求值：（x-xx+1）÷（1+1x2-1），其中x=2+1（2）计算：-32+（-3）-2+（2×106）×（1×10-5）+（π-3）0．-数学
• （1）计算：12-|-1|+(12)-3-4cos30°（2）化简．(x+1x-xx-1)÷1(x-1)2．-数学
• It is______ acknowledged that he is honesty.A．universallyB．wellC．allD．badly-英语
• The schoolmaster hesitated ___ an instnat before he made the decision.A．forB．inC．atD．on-英语
• Who will succeedhis property after his death?[ ]A. inB. atC. toD. from-高二英语
• （-12）0的平方根是______，36的算术平方根是______；16的平方根是______．-数学
• He was homeless, so we took him ____．A．outB．inC．upD．down-高一英语
• The water level of the river has increased _________ half a meter since it began to rain 7 days ago.
• 计算：①8-2sin45°+(2-π)0-(13)-1②tan30°sin60°+cos230°-sin245°tan45°．-数学
• 计算（应有必要的运算步骤）．①2sin45°+cos30°•tan60°-(-3)2；②2-1+12-1-sin245°-(1+cos30°)0．-数学
• ______, in spite of everything, he managed to get through all his tasks in advance.A．SomehowB．Anyhow
• I’m sorry I didn’t phone you, but I’ve been very busy_____ the past couple of weeks.A．beyondB．withC．
• It was＿＿＿＿＿late to catch a bus after the party, there fore we called a taxi. A．too veryB．much too C．
• I can't make a decision now. I need _________ more time to think it over.A．ratherB．fairlyC．quit
• ______his arrival at the classroom on his first day at school, the teacher _______. [ ]A. At; was pl
• 已知a是锐角，且sin（a+15°）=32，计算8-4cosα-（π-3.14）0+tanα+(13)-1的值．-数学
• We decided not to climb the mountains because it was raining ＿＿＿. A．badlyB．hardlyC．stronglyD．heavily
• With new technology, pictures of underwater valleys can be taken color.A．byB．forC．withD．in-英语
• ----Do you really insist on going out to watch the football game? ---- I know it may rain. ______, I
• The roads are linedtrees，which have been planted to holdthe strong winds from the north.A．along; toB
• The desks in our classroom are so close together that there is not enough room to move them．A．betwee
• The accident that resulted ________the death of two passengers resulted ________careless driving.A．i
• After floods had destroyed crops and houses, the farmers in the village were _____ food and shelter.
• --Do you live____________ near Jim? --No, he lives in another part of the town.A．somewhereB．nowhereC
• He has called several times this morning; _____ there is something very important.[ ]A. really B. ob
• 等式（x+4）0=1成立的条件是（）A．x为有理数B．x≠0C．x≠4D．x≠-4-数学
• 计算：108-2×6+(1012)0-415÷5．-数学
• ______good service, the restaurant offers different kinds of traditional Fujian dishes A．Far fromB．A
• Swimmers must be very strong in order to build up speed because of the high resistance of the water.
• If we work with a strong will, we can overcome any difficulty, ＿＿＿great it is. A．whatB．howC．howeverD
• （1）计算：2sin60°-13+（13）-1+（-1）2012（2）解方程：2x2-3x-1=0．-数学
• his play,, is very wonderful: there are many interesting characters in it.A．out of the questionB．on
• Color and sex are not relevant _____ whether a person is suitable for the job. [ ]A. on B. for C. wi
• 若（x-3）0-2（3x-6）-2有意义，那么x的取值范围是______．-数学
• I don't like the pattern of the trousers. ____, the color doesn't suit me. [ ]A. However B
• . ---You don’t seem to be quite yourself today. What’s wrong? --- Oh, I'm suffering from a cold
• 计算：（1）4-2×（12）-1+|-3|+（2-1）0；（2）4x3÷（-2x）2-（2x2-x）÷（12x）-数学
• I always wanted to do the job which I’d been trained _______________A．onB．for C．byD．of-英语
• There are forty five students in our class, and they are _____ interested in football.A．mostB．almos
• （1）计算：(92)-1-(-3.14)0+12-1-sin30°•cos45°．（2）已知a2+2a-3=0，求(a-2a2+2a-a-1a2+4a+4)÷a-4a+2的值．-数学
• 计算：（-2）2+tan45°+20100．-数学