会算么?好难啊Two ladders,one 30 feet long,the other 20 feet long are on horizontal ground beteen two vertical walls and lie from one corner to the opposite wall.They cross at 10 feet above the ground.How far apart or the walls?

会算么?好难啊Two ladders,one 30 feet long,the other 20 feet long are on horizontal ground beteen two vertical walls and lie from one corner to the opposite wall.They cross at 10 feet above the ground.How far apart or the walls? 英语翻译Two (2) pilot ladders with rope and timber board construction are also to be provided.These are to be stowed on manually operated drums.The main mast aft shall be fitted with necessary seats for fitting two radar scanners,navigation light Seven six double o two seven. one o two 翻译成英语 It's two o'clock的问句 The film___(begin) since two o'clock. Mr Zhao (o ) a table for two. how about two o‘clock tomorrow afternoon? there are two bears o-- there walk down the stairs的stairs为什么不能用ladders 请简述凋亡细胞DNA ladders 形成的原因. What should I do if eat a ladders? 2005 英语能否读成two o o five? 电影 2012 名字的英语读法是 two o one two 还是 two thousand and twelve 2008 英语读 Two thousand and eight还是two o o eight? It's two o five还有two后面的o 是什么 What's the fare to the museum?A ,Two hours B ,Two o'clock C ,Two seats D ,Two dollars 2005年英语除了two o o five这么年 能念成two thousand and five吗2015年 除了 two o one five 能念成 twenty fifty吗