请问5千元怎么说?five thousands yuan 还是 five thousand yuan?

请问5千元怎么说?five thousands yuan 还是 five thousand yuan? 6500元用英文怎么说,是Six thousands and five hundreds YUAN吗? Five yuan. five yuan（） They are five yuan 【求助题】Five yuan is enough.还是 Five yuan are enough. five hundred and thousand,five hundred thousands,five hundre these apples are( five yuan) my pen is five yuan.his pen is six yuan. the pen is five yuan对yuan提问 the pen is five yuan改错 He hed only twenty-five yuan.