F 2 數學題

2013-11-03 6:53 pm
Simplify the following expressions and express the answer with positive indices ( 請盡量詳細解答, 謝謝)


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回答 (2)

2013-11-03 11:08 pm
✔ 最佳答案
Please read:


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2013-11-03 20:02:22 補充:
謝謝你~

但其實我只想說,經過四次方後,負會變正。
2013-11-03 7:13 pm
33. (((x^0) y)^-2)/ (-z^3))^-4

= ((y^-2)/(-z^3))^-4

= (1/-y^2 z^3)^-4

= (-y^2 z^3)^4

= -y^8 z^12



* I'm not sure if it's correct or not. *
參考: My calculation


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