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詳細...plz
F.4'開方化簡'~~~[help]急!!!!!!!~~~~
2012-09-07 1:13 am
回答 (2)
2012-09-07 2:53 am
✔ 最佳答案
1a.√8=√4x2
=2√2
1b.√27
=√9x3
=3√3
1c.√48
=√16x3
=4√3
2a.2√12
=2√4x3
=2x2√3
=4√3
2b.3√20
=3√4x5
=3x2√5
=6√5
2c.5√32
=5√16x2
=5x4√2
=20√2
參考: me
2012-09-07 2:47 am
參考: me
收錄日期: 2021-04-20 13:16:27
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20120906000051KK00333