數學問題`thz

2008-12-07 9:14 pm

20rs-5st+10su
上面條數點做?
係f.2數`^v^

更新1:

14x+7 27x[2次方]+54x ------- 除 -------------------- x 9xy 今上面個題點做?thz>_

更新2:

x份之14x+7x[2次方] 除 9xy份之27x[2次方]+54x 應該係le個先岩 = = 上1個補充唔洗理.. 點做?

回答 (4)

2008-12-07 10:20 pm

✔ 最佳答案

20rs-5st+10su
= 5 ( 4rs - st + 2su ).................抽個 '5' 出嚟
= 5 s ( 4r - t + 2u )...................再抽埋個 's' 出嚟

參考: me.

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2008-12-07 10:22 pm

20rs-5st+10su
=5s(4r-t+2u)

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2008-12-07 9:53 pm

因"色"分解吧
5s(4r+t+2u)

參考: 自己

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2008-12-07 9:23 pm

5s[4r-t-2u]

5g係5係嫁

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