方程?明天要呀
回答 (6)
2006-12-08 6:40 am
✔ 最佳答案
設他現在的年齡是 y16 + y = 2( y - 12 )
16 + y = 2y - 24
y = 40
所以, 啟業現在的年齡是 40歲
2006-12-08 7:03 am
Let x be the age of Kai Yip now.
2(x - 12) = x + 16
2x - 24 = x +16
2x - x = 16 + 24
x = 40
2(x - 12) = x + 16
2x - 24 = x +16
2x - x = 16 + 24
x = 40
2006-12-08 6:40 am
設A 為啟業現在的年齡
16+A = 2 ( A -12)
A = 40
16+A = 2 ( A -12)
A = 40
2006-12-08 6:39 am
Let x be the age of Kai Yip now.
Then,
x + 16 = 2(x - 12)
x + 16 = 2x - 24
x = 40
Then,
x + 16 = 2(x - 12)
x + 16 = 2x - 24
x = 40
收錄日期: 2021-04-12 20:13:37
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