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(-3分之1x的3n次方)的4次方÷[4(x³)的2n次方] =1/81x的12n次方÷4x的6n次方 =1/324x的6次方 =1/324(x的2n次方)³ =1/324x3³ =1/324x27 =1/12 如果本題有什麼不明白可以追問,
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