(-a³ b^4)² / (ab²)=________若X^2n=3,那么x^6n=________
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(-a³ b^4)² / (ab²)=________若X^2n=3,那么x^6n=________
(-a³ b^4)² / (ab²)=________
若X^2n=3,那么x^6n=________
(-a³ b^4)² / (ab²)=________若X^2n=3,那么x^6n=________
(-a³b^4)²/(ab²)
=a^6b^8/(ab²)
=a^5b^6
X^6n
=(x^2n)³
=3³
=27