(A) Simplify x^5y^-2z^5/x^-2y^3z
(B) Simplify 6ab^5÷(3ab^3)^2
(C) Given 10x=9y and 4y=5z, find x:y:z.
All about "Maths"
2011-03-13 1:40 am
回答 (1)
2011-03-13 4:34 am
收錄日期: 2021-04-23 00:18:31
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https://hk.answers.yahoo.com/question/index?qid=20110312000051KK00968