计算：12-6127-tan30°-数学

更多内容推荐

• Shedown beside me and soon got into sleep.A．liedB．laidC．layD．lain-高二英语
• She went to American two years ago .She ____there for half a year and then went to Japan.A． would wo
• Would you please keep silent? The news that the milk contains a harmful chemical _________and I want
• Ladies and gentlemen,please fasten your seat belts,the plane______.A．takes offB．is taking offC．is go
• In recent years many football clubs ______ as business to make a profit.A．have runB．have been runC．h
• 计算：（1）sin60°cos30°-tan45°；（2）32-218+12．-数学
• 化简计算：110200-20.08-412+2572-数学
• Nothing _______ clear about the meeting.A．has madeB．has been madeC．has doneD．has been done-英语
• （1）求值：2sin30°+4cos60°+tan45°（2）计算：8+18-322（3）解方程：2x2-x-2=0．-数学
• 计算：(24-12)+(2+54)-数学
• 计算：35-25=______．-数学
• They waited at the bus stop and about five minutes later the bus they wantedalong.A．comingB．cameC．to
• -----Is this the first time you______ Chengdu?-----No. But the first time I______ here, the city was
• This is the first time that I ______ at the meeting.A．had spokenB．have spokenC．has speakingD．was spe
• Nowadays it is obvious that the Internet _______ our life rapidly.A．would changeB．changedC．had chang
• We agreed ______ here but so far she hasn’t turned up yet.A．having metB．meetingC．to meetD．to have me
• The hotel in Nanchong wasn’t particularly good. But I ____ in many worse hotels.A．was stayingB．staye
• ---Do you know the timetable of the school bus? ---Sure, the first trip________ at 6:30 a.m. and usu
• One learns a language by making mistakes and ______ them.A．correctsB．correctC．to correctD．correctin
• 计算：220+45-25=______．-数学
• 计算：27-23+45-数学
• 计算（1）(π-2009)0+12+|3-2|（2）18-92-3+63+(3-2)0+(1-2)2-数学
• Prices____ all the time and no one knows when they stable.A．are going up; becomeB．have been going up
• By the end of last year, another new gymnasiumin Beijing.A．would be completedB．was being completedC．
• 计算：93+712-548+213．-数学
• According to the flight schedules, the plane for Karshgar ________ at 11 am.A．will leaveB．leavesC．ha
• 计算a3+a21a所得到的结果是______．-数学
• --- Haven’t seen you for ages! Where have you been, anywhere? --- I _______ to New York City. I jus
• 计算：320-45-15．-数学
• In the last few years thousands of films all over the word.A .have produced B. have been producedC.
• 计算：1224-683+46-2．-数学
• One of my friends asked me to help him with his lessons this weekend, and thus __ my plan. A．ruined
• —Why didn’t you come to the cinema with us last Saturday? —Oh，sorry．But Ithe film．A．seeB．sawC．have
• Every possible meansto prevent the air pollution, but the sky is not still clear.A．is usedB．are used
• A local radio station said that several eruptions _____ in the past twenty years.A．had been taken pl
• 化简：32-8+212．-数学
• His teacher told him that since his parents were working abroad , either his grandparents or one of
• 下列计算正确的是[]A．×=B．+=C．=3D．=2-八年级数学
• 计算：（1）8a-32a（2）3220×1348．-数学
• 下列运算（1）(-5)2=-5，（2）8+182=4+9，（3）32+23=55，（4）4-2=2．其中正确的个数是（）A．0B．1C．2D．3-数学
• --Why does the river smell terrible?--Because large quantities of water__________.A．have polluted B．
• 计算275-92+12-数学
• 计算：2a3-a2a+a8a-数学
• 计算：52-（18-12）-数学
• 计算：323+182-505．-数学
• — Watch out! The petrol __. — Oh, my God. We have to find a service station soon enough.A．runs outB．
• 24+23-36．-数学
• The three of us ________ around Europe for about a month last summer.A．have travelledB．had travelle
• 计算12-3的结果为______；方程x（x-1）=x的解为______．-数学
• I'll go to the library as soon as I finish what I .A．was doingB．am doingC．have doneD．had been