更新1:
10-(4y+9/3)=3 才是.
更新2:
Sorry 10-(4y-9)3 = 3 才是
更新3:
4y+9 = 3 10 - -------- 3
更新4:
10 - (4y +9)/3 = 3 希望你們看得明
方程式唔知點做
回答 (3)
2010-12-03 9:59 pm
✔ 最佳答案
10-(4y+9/3)=310 - ( 4y + 3 ) = 3
10 - 4y - 3 = 3
7 - 4y = 3
7 - 4y + 4y = 3 + 4y
7 = 3 + 4y
7 - 3 = 3 + 4y - 3
4 = 4y
4/4 = 4y/4
1 = y
y = 1
參考: Hope I Can Help You ^_^
2010-12-04 6:07 am
10 - (4y +9)/3 = 3
10-3 = (4y+9)/3
7*3 = 4y+9
21-9 = 4y
12 = 4y
y = 12/4
y = 3
10-3 = (4y+9)/3
7*3 = 4y+9
21-9 = 4y
12 = 4y
y = 12/4
y = 3
參考: girl
2010-12-04 5:12 am
10 - (4y +9)/3 = 3 7 = (4y+9)/321 = 4y+912 = 4yy = 3
hope can help you
hope can help you
收錄日期: 2021-04-23 23:15:05
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20101203000051KK00527