(-3)/(+6)=?
(-5)/(-15)=?
(+13)/(-39)=?
(-5)/(-2/5)=?
(-16)*(-3/4)=?
(-1/6)*(-3/2)=?
(-40)/(-4/7)=?
(-5/8)/(+8 3/4)=?
收錄日期: 2021-05-03 06:57:49
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070827000051KK02617