(-18x^3y+48x^2y^2-54xy^3+6x^2y)/6xy
一定要有step..
中一maths. 20分
2010-02-17 10:17 pm
回答 (2)
2010-02-17 10:55 pm
✔ 最佳答案
<img src="http://img525.imageshack.us/img525/4485/simplify.png">睇唔到就去
http://img525.imageshack.us/img525/4485/simplify.png
希望幫到你.
2010-02-17 14:56:51 補充：
原來大學先可以POST圖既= =.
咁你上我比你果個網啦.SRY.
2010-02-17 11:02 pm
i want to know-18x^3ythat means (-18x^3)y or-18^(3Y)?
i think you want to ask (-18x^3)ythis way
(-18(x^3)y+48(x^2)(y^2)-54x(y^3)+6(x^2)y)/6xy
=6xy(-3x^2+8xy-9y^2+x)/6xy
=-3x^2+8xy-9y^2+x
i think you want to ask (-18x^3)ythis way
(-18(x^3)y+48(x^2)(y^2)-54x(y^3)+6(x^2)y)/6xy
=6xy(-3x^2+8xy-9y^2+x)/6xy
=-3x^2+8xy-9y^2+x
收錄日期: 2021-04-24 10:19:15
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20100217000051KK00569