- 5 + 3 + 7= - 1 5
以上既式係錯既
個答案係岩
點樣+d括號落去令佢個答案變成-15?
正負數一問
2007-09-17 5:31 am
回答 (6)
2007-09-17 5:37 am
- (5 + 3 + 7)
= - 5- 3- 7
=- 1 5
(- + = -)
= - 5- 3- 7
=- 1 5
(- + = -)
2007-09-17 5:34 am
- (5 + 3 + 7)= - 1 5
收錄日期: 2021-04-13 14:09:20
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070916000051KK05141