(-6)除(+6)
(-5)除(-15)
(+13)除(-39)
(-5)-(-2/5)
(-16)x(-3/4)
(-1/6)x(-3/2)
(-40)除(-4/7)
(-5/8)除(+8又3/4
收錄日期: 2021-04-13 18:11:36
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20110827000051KK00267