128
3) x2次方+3/2x-2=0 [sol]???
4) x2次方+3/2x-7=0 [sol]???
5) x2次方+3/4x-1/2=0 [sol]???
收錄日期: 2021-04-23 20:37:41
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20090529000051KK01439