如题所述
满意就采纳哦,谢谢。
给的答案是这样的
尾二那步,漏写外面的3/2次方,你自己补上去化简吧
也不对吧
Shit, just only this small error you stil can't look it out by yourself, how can you deal with your exams !!
采纳前就看出来了,