中国打捞T62

如图,在△ABC中,角B=66度,角C=54度,AD是角BAC的平分线,DE平分角ADC交AC于E,求角BDE的度数 速求急! 如图,在△ABC中,角B=66度,角C=54度,AD是角BAC的平分线,DE平分角ADC交AC于E, 已知如图,在△ABC中,∠C=90°,∠B=54°,∠ADC=72°,求证,AD平分∠BAC已知如图，在△ABC中，∠C=90°，∠B=54°，∠ADC=72°，求证，AD平分∠BAC 在三角形ABC角B=60度,AD平分角BAC,角BAC-角C=40度,则角ADC急急急急急急 钟表的夹角怎么计算? 角怎么比较大小. 怎样画化度分秒. 英语被动语态习题 关于被动语态的英语题.要15道, 英语被动语态练习 急主动改为被动语态 he made the kitemy brother will mend my bike for meyou must clean you watch once a yearhe told me to wait have for himtom broke the window just nowdid you write the letter yesterday?i will ring tom 如图在三角形abc中,ad是高ae是角平分线则角ead=二分之一(角c-角b)为什么? 因式分解法:2（x-3)²+（3x-x²）=0 英语被动语态练习1.世界上许多国家都讲英文. 　　English_____ _____ in many countries all over the world. 　　2.你知道纸是中国发明的吗? 　　Do you know that paper _____ _____ in China . 　　3.这台电视这儿能 被动语态英语练习题Our teacher _______ carefullyA should be listened to B should be listen C be listened D is listened理由： 如图三角形ABC,AD为 如图,在三角ABC中,AD平分角BAC,DE垂直AB于E点,DF垂直AC于F点,AB=10,AC=8,三角形ABC的面积为36,则DE的长为 请帮忙讲解几道英语被动语态的习题Great changes___ in the past ten years in China.A.took place B.have taken place C.were taking place D.had taken placeYou can't use the computer,it____.A.was broken down B.is wrong C.is bad D.has broken 1、 Children _____________(not allow) to play frightening games.2、At last the two pictures ___(hang) side by side.3、All the building ___(turn) into hospitals recently.4、The vegetables _______________(plant) in the fields next week.5、The sold 求这道英语被动语态习题讲解?we could ask someone to do the work privately without it _____.A.be known B.being known C.to be known为什么? 【英语】被动语态题.1.The bowls _haven't been cleaned_ by Bill yet.2.A historical story _________ by Mrs Keeler yesterday afternoon.A.is told usB.was told usC.is told to usD.was told to us其实也就是求为什么要填（选）这个答案 1.I would have been glad to attend his birthday party,but____.A.I'm not invited B.I have not been invited C.I was not invited D.I had not been invited2.Thousands of people took part in the work when Tian'anmen Square_____.A.would be built B.was build 如图,已知：AD是三角形ABC的中线,三角形ABC的面积为60cm²,求三角形ABD的面积 13.57.32°=几度几分几秒 用因式分解法算,x²－2√3x＝0 如图,∠ACB=90°,E,F为AB上的点,AE=AC,BC=BF,求∠ECF的度数 EF是直角△ABC斜边AB上的两点 AE=AC BF=BC 则∠ECF的度数是多少描述下图∠C为直角 AB为斜边 ∠B在左下角 ∠C在右下角 ∠A右上角 Rt三角形ABC中,AC=BC,在AB边上有E`F两点使∠ECF=45度,证AE^+BF^=EF^ 度、分、秒的转换33°15′24〃= °21°33′15〃= ° 怎么简算775/25*32775÷25×32149+37×23169+259+135243-（43+62）能简算的简算775÷25×32149+37×23169+259+135243-（43+62）能简算的简算 几道不懂的英语题1.He came here_____to see you,_____after he heard that you retumed from abroad.A.speially especially.B.specilly,mainlyc.especially speciallyD.specially,generally这道题目的中文意思是什么?为什么选A呢?2.I do ___p 在△ABC中,∠ACB=90°,AC=AE 、BC=BF,则∠ECF= 一道小学数学题（填空的）A的4/5相当于B的3/7,那么A:B=（）：（） 小学数学,填空第1小题 1道小学数学题（填空）（）个5分之1是最小的质数