-1660 +(-1660)
(負1既660次方加括弧負1既660次方)
A. +2
B. -2
C. 0
我計到係B,但係答案係C,點解既????
收錄日期: 2021-04-13 14:21:44
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20071107000051KK00608