求步驟！已經全部忘記了！= =
化簡 12x/y + 3xy/y^2
一題中二級的數學，已經全被遺忘的！= =
2011-04-24 5:08 am
回答 (4)
2011-04-24 6:34 am
✔ 最佳答案
12x/y + 3xy/y^2 =(12xy+3xy)/y^2
=15xy/y^2
=15x/y
2011-04-25 4:10 am
12x/y + 3xy/y2= 12x/y + 3x/y= 15x/y
2011-04-24 6:00 am
12x/y + 3xy/y^2 = 15x/y
收錄日期: 2021-04-25 17:04:35
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20110423000051KK01181