因式分解下列各式:(步驟)
1. (j+k)^2-(l-m)^2
2. (p+q)^2-(p-q)^2
3. (3r+4s)^2-(5t-6s)^2
4. 36a^2-25(3b-c)^2
5. 100(2d-e)^2-49f^2
6. (5g-6h)^2-16(4g-3h)^2
^2 =2次方
收錄日期: 2021-04-23 21:42:06
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070421000051KK01728