1. [(-27x^-2 y^4 z^-1) / ( 3^6 x^-6 xy^-2 z^0)]^-2
2. [(2a^-3 b) / (2^-2 a^-4)]^-1 * [(18a^-4 / 3^3 b^-3 a^3)]^2
3. [(4m^2 n^-2) (-8m^-3 n^-2)^-2 ] / (16^-1 m^-3 n^-10)
4. [(3p^-2 q^3)^2 (6p^2 q^3) ^-2] / (-2p^-3 q^0 )
THX!!!
收錄日期: 2021-04-25 19:55:25
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070921000051KK02368