1:
2c - d/c^2d + c + d/cd^2
2:
4r + 5s/7r + 2r - 3s/5r
3:
6/b - 12b - 3/2b^2
4:
4m - 5/8m^2 + 4/-12m
求完整解答及說明,謝謝!
收錄日期: 2021-04-28 14:24:20
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20131209000051KK00120