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
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
2006-10-24 1:57 am
(34+y)/(6+y)=3
34+y=3(6+y)
34+y=18+3y
2y=16
y=8
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
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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