(x的n次方y的3n的次方)²+(x²y的6次方 )的n次方,(x的n次方y的3n的次方)²+(x²y的6次方 )的n次方,(x²y³)的4次方+(-x)的8次方·(y6次方)²

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(x的n次方y的3n的次方)²+(x²y的6次方 )的n次方,(x的n次方y的3n的次方)²+(x²y的6次方 )的n次方,(x²y³)的4次方+(-x)的8次方·(y6次方)²
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(x的n次方y的3n的次方)²+(x²y的6次方 )的n次方,(x的n次方y的3n的次方)²+(x²y的6次方 )的n次方,(x²y³)的4次方+(-x)的8次方·(y6次方)²
(x的n次方y的3n的次方)²+(x²y的6次方 )的n次方,
(x的n次方y的3n的次方)²+(x²y的6次方 )的n次方,(x²y³)的4次方+(-x)的8次方·(y6次方)²

(x的n次方y的3n的次方)²+(x²y的6次方 )的n次方,(x的n次方y的3n的次方)²+(x²y的6次方 )的n次方,(x²y³)的4次方+(-x)的8次方·(y6次方)²
原式=x^2ny^6n+x^2ny^6n
=2x^2ny^6n
原式=x^8y^12+x^8y^12
=2x^8y^12