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[匿名]

2010-12-03 9:54 pm

方程式唔知點做 : 10-(4+9/3)=3

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

回答 (3)

一個青檸

2010-12-03 9:59 pm

✔ 最佳答案

10-(4y+9/3)=3

10 - ( 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 ^_^

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用戶22403

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

參考: girl

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Rachel

2010-12-04 5:12 am

10 - (4y +9)/3 = 3 7 = (4y+9)/321 = 4y+912 = 4yy = 3

hope can help you

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