(A)
-18x^2y^2
(B)
6x-24y
(C)
6x^2 - 24y^2
(D)
6x + 2y
更新1:
looking for some "top contributer" to answer
looking for some "top contributer" to answer
收錄日期: 2021-05-01 12:38:43
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20090702071330AAbVQBo