Can we find a?
Thank you very much.
a+b-(a*c)-d=(e+f+g)/h a=?
2009-12-10 12:50 am
回答 (2)
2009-12-10 12:59 am
✔ 最佳答案
a+b-(a*c)-d=(e+f+g)/ha - ac + b - d = (e+f+g)/h
將 a - ac 因式分解并成一個a
a(1 - c) + b - d = (e+f+g)/h
移項一左邊只剩a :
a(1 - c) = (d - b) + (e+f+g)/h
右通分母
a(1 - c) = (hd - bh + e+f+g ) / h
兩方除(1 - c)完成
a = (hd - bh + e + f + g) / [h(1 - c)]
2009-12-10 1:01 am
約:
a+b-(a*c)-d=(e+f+g)/h*a=?
=>a+b-ac-d=ae/h+af/h+ag/h
We can't find a
I do not have the hints
a+b-(a*c)-d=(e+f+g)/h*a=?
=>a+b-ac-d=ae/h+af/h+ag/h
We can't find a
I do not have the hints
收錄日期: 2021-04-21 22:05:37
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https://hk.answers.yahoo.com/question/index?qid=20091209000051KK00892