而問題是A x B x C x D=9
A+B+C+D=幾多??
更新1:
s1a14_tpyc 唔該哂,THX
數學問題,唔識HELP ME!!
回答 (2)
2007-09-20 6:09 am
✔ 最佳答案
之前個人有dd錯...A = 1 , B = 3 , C = (-1) , D = (-3)
1x3x(-1)x(-3)=9
2個標點符號相遇時要+ ( )
例如 1x-1 係錯既....
答案係 1x(-1) 先岩 ! 記住喇 !
ok...88
2007-09-20 5:27 am
1 x -1 x 3 x -3 = 9
1+(-1)+(-3)+3 = 0
1+(-1)+(-3)+3 = 0
收錄日期: 2021-04-30 20:55:37
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070919000051KK03784