x^2n=5 求(2x^3n)^2/4x^2n
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x^2n=5 求(2x^3n)^2/4x^2n
x^2n=5 求(2x^3n)^2/4x^2n
x^2n=5 求(2x^3n)^2/4x^2n
(2x^3n)^2/4x^2n
=(4x^6n)/4x^2n
=x^4n
=(x^2n)²
=5²
=25
解(2x^3n)^2/4x^2n
=4x^6n/4x^2n
=x^4n
=(x^2n)^2
=5^2
=25
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