formula.
y=a+x/a-x [x]
更新1:
y=a+x/a-x { [x] }it is the subject
我不知如何做，請各高手指點迷津中二數急！
2008-09-13 3:16 am
In each of the folloing, make the letter in square brackets the subject of the
formula.
y=a+x/a-x [x]
formula.
y=a+x/a-x [x]
回答 (2)
2008-09-15 7:10 pm
✔ 最佳答案
y=a+x/a-xy(a-x)=a+x
ya+yx=a+x
yx-x=a-ya
(y-1)x=a-ya
x=(a-ya) / (y-1)
參考: myself
2008-09-13 6:49 am
y=a+x/a-x
y(a-x)=a+x
ya+yx=a+x
yx-x=a-ya
x(y-1)=a-ya
x=(a-ya) / (y-1)
y(a-x)=a+x
ya+yx=a+x
yx-x=a-ya
x(y-1)=a-ya
x=(a-ya) / (y-1)
收錄日期: 2021-04-16 23:27:43
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20080912000051KK01512