有一題math唔懂做
回答 (5)
✔ 最佳答案
(34+y)/(6+y)=3
34 + y = 3 (6 + y)
34 + y = 18 + 3y
2y = 16
y = 8
(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
(34+y)/(6+y)=3
34+y=3(6+y)
34+y=18+3y
2y=16
y=8
(34+y)/(6+y)=3
34+y=3(6+y)
34+y=18+3y
34-18=3y-y
16=2y
y=8
(34+y)/(6+y)=3
(34+y)=3(6+y)
34+y=18+3y
16=2y
8=y
Hope can help you!!!
收錄日期: 2021-04-21 12:09:23
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