２５ ５
- －－ = －－
4 -2x
小學數學一題
2007-08-07 12:49 am
回答 (4)
2007-08-07 12:54 am
25 5
- - - = - -
4 -2x2
- - - = - -
4 -2x2
2007-08-07 12:52 am
-25/4=5/2x
20=50x
50/20=x
2.5=x
x=2.5
20=50x
50/20=x
2.5=x
x=2.5
收錄日期: 2021-05-03 06:58:29
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070806000051KK03393