1) 開方 75 - 4開方2 +開方 8
2) 開方 21 x 開方 96
p.s 列埋steps ...pls
form 2 maths..幫我化簡..please
2009-05-25 7:34 pm
回答 (2)
2009-05-25 7:50 pm
✔ 最佳答案
1) √ 75 - 4√2 +√8=5√3 - 4√2 +2√2
=5√3-2√2
2) √21 x √96
=√2016
=12√14
2009-05-26 7:02 am
1. √75-4√2+√8
=5√3-4√2+2√2
=5√3-2√2
2. √21x√96
=√3x√7x√16x√6
=√3x√7x4x√2x√3
=12√14
衷心祝福你學業進步!生活開心!同沐主恩!
=5√3-4√2+2√2
=5√3-2√2
2. √21x√96
=√3x√7x√16x√6
=√3x√7x4x√2x√3
=12√14
衷心祝福你學業進步!生活開心!同沐主恩!
收錄日期: 2021-04-23 20:45:03
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20090525000051KK00436