中国海警东海分局王冰

如图,已知MN⊥AB于p,MN⊥CD于Q,∠2=80°,求∠1=（）° 4吨50公斤大还是4.5吨大?25*100-1大还是25*99大? 求一道数学几何题的解!三角形ABC的角平分线AD、BE相交于点O点O在∠C的平分线上吗?证明你的结论. 100分之25=50分之( ) 解一道数学几何题如图,在平行四边形ABCD中,E、F分别为边AB、CD的中点,△ADE全等于△CBF,连接DE、BF、BD.问：若AD⊥BD,则四边形BFDE是什么特殊四边形?证明你的结论. 请问有没有100*50*25和150*50*25的变径四通? 100,50,2,25( )a1 b 3 c 25/2 d 5/2 fish are best known for it.best known是什么意思 the well-known 和the best-known 有什么区别吗 校园广播开场白和结束语,栏目主要包括《新闻纵横》；《诗文赏析》；《生活小常识》；《思路突破》等 what is the best place to meet?的翻译急需!~ Best of the best is what we strive to be. 翻译what's your best movie theater 并写出此句的同义句 What's the best way to get there?翻译下 you know its easy to say the word best friend,but its hard to find what that it means.求助翻译中文 100减少它的4分之1是25是对是错 4分之1×25%= 4里面有几个25分之1 黄金分割题：已知点C是线段AB的黄金分割点,且AB=1,求AC长________ his film won her an oscar for best actress这句话中win 后面为什么要加her 已知f(x)是奇函数,f(x+1)是偶函数,当x∈[0,1]时,f(x)=x∧2,则f(2009.5)等于多少?急 She won an oscar for best actress for her role in this film两个for分别是什么意思,用法是什么 已知F（X）是R上的偶函数,对任意X∈R都有F(X+4)=F（X）+F（2）成立,若F（1）=2则F（2009）等于要过程 she won an Oscar for Best Actress中的for怎么解释 in2008,an Indian film Slumdog Millionaire won an Oscar award 求这篇文章 如图,∠AOB和∠COD都是直角,已知∠AOC=32°,求∠BOD和∠AOD的度数 如图,∠AOC与∠BOD都是直角,且∠AOB：∠AOD=2:11,求∠AOB与∠BO C,AOD的度数用∵∴亲,推理不要方程~百度搜该题见图，但AD字母互换，还有BC，其余均不变~∩： 如图.∠AOC、∠BOD都是直角,∠COD:∠AOD=2:11,求∠BOC的度数 已知函数y=f(x)是定义在R上的偶函数,当0 what made Ang Lee win the Best Director Award at the 78th Academy Awards?as the headline.I want to know the answer to the question.Please choose the right answer:A.Wedding Banquet.B.Crouching Tiger Hidden Dragon.C.Brokeback Moutian.D.Sense and Sensib in a this case of history repeating itself,Ang Lee won the best director Oscar at AcademyAwards,beating Steven Spielberg as he did back in 2005 when the two were last nominated.这句话怎么翻啊应该是in a case of history Ann lee is the fist Chinese to win the Best Director of Oscar No Chinese__that honour(上接honour）before.A.has ever received B.ever receives C.have ever received D.will ever receive