(A-B)^3 = what??

2009-12-14 7:20 am
(A-B)^3 = what??
更新1:

咁a^3 +b^3呢@w@??

回答 (1)

2009-12-14 7:29 am
✔ 最佳答案
(A-B)^3 = A^3-3A^2*B+3A*B^2-B^3

2009-12-14 12:36:26 補充:
你想化成咩模式??


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