A.(4y^-3/15xy^2)^-1x(8xy/3x^2)^2
B.#(2a^2 x b^3)÷(4a^3 x b^2)# /(3a^-1 x b)^-2
# 整組也屬於分子
更新1:
please do them step by step !!! thx
please do them step by step !!! thx
收錄日期: 2021-04-20 13:13:45
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20120831000051KK00002