有一題math唔懂做

2006-10-24 1:37 am

1. (34+y)/(6+y)=3

回答 (5)

2006-10-24 1:41 am

✔ 最佳答案

(34+y)/(6+y)=3
34 + y = 3 (6 + y)
34 + y = 18 + 3y
2y = 16
y = 8

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2006-10-25 2:55 am

(34+y)

¯¯¯¯¯ = 3
(6+y)

(34＋y)

¯¯¯¯¯¯ ×（６＋ｙ）=　３×（６＋ｙ）
(6＋y)

（３４＋ｙ）＝３×（６＋ｙ）

（３４＋ｙ）＝１８＋３ｙ

３４＋ｙ＝１８＋３ｙ

３４－１８＝３ｙ－ｙ

１６＝２ｙ

８＝ｙ

ｙ＝８

希望可以幫到你啦！

參考: ｍｅ

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2006-10-24 1:57 am

(34+y)/(6+y)=3
34+y=3(6+y)
34+y=18+3y
2y=16
y=8

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2006-10-24 1:42 am

(34+y)/(6+y)=3
34+y=3(6+y)
34+y=18+3y
34-18=3y-y
16=2y
y=8

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2006-10-24 1:41 am

(34+y)/(6+y)=3
(34+y)=3(6+y)
34+y=18+3y
16=2y
8=y
Hope can help you!!!

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