Maths (有向數
(-8)(5){(+8)-(+5)} = ?
Maths (有向數
2008-11-01 4:59 am
回答 (2)
2008-11-03 5:15 am
✔ 最佳答案
(-8)(5){(+8)-(+5)}=(-8)x5x[8-5]
=(-8)x5x3
=(-40)x3
=-120
Hope you can do it.
參考: Myself
2008-11-03 5:33 am
(-8)(5){(+8)-(+5)}
=(-8)x5x[8-5]
=(-8)x5x3
=(-8)x15
=-120
=(-8)x5x[8-5]
=(-8)x5x3
=(-8)x15
=-120
收錄日期: 2021-04-15 18:03:28
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20081031000051KK01655