邊個可以幫我計:
FACTORIZE THE FOLLOWING:
(a+b)²c² - 4(a-b)(a+b)² + 4(a-b)²c²
收錄日期: 2021-04-13 16:15:56
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20081122000051KK02195