-2Y(2X+2Y-3)
更新1:
1.3X(X-2Y+4) 2.-2Y(2X+2Y-3)
1.3X(X-2Y+4) 2.-2Y(2X+2Y-3)
收錄日期: 2021-04-30 20:55:50
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070917000051KK02522