(x-y)(x+y)(x的平方+y的平方)(x的4次方+y的4次方)(x的8次方+y的8次方)等于?

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(x-y)(x+y)(x的平方+y的平方)(x的4次方+y的4次方)(x的8次方+y的8次方)等于?
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(x-y)(x+y)(x的平方+y的平方)(x的4次方+y的4次方)(x的8次方+y的8次方)等于?
(x-y)(x+y)(x的平方+y的平方)(x的4次方+y的4次方)(x的8次方+y的8次方)等于?

(x-y)(x+y)(x的平方+y的平方)(x的4次方+y的4次方)(x的8次方+y的8次方)等于?
=(x^2-y^2)(x^2+y^2)(x^4+y^4)(x^8+y^8)
=(x^4-y^4)(x^4+y^4)(x^8+y^8)
=(x^8-y^8)(x^8+y^8)
=x^16-y^16

=(x^2-y^2)(x^2+y^2)(x^4+y^4)(x^8+y^8)
=(x^4-y^4)(x^4+y^4)(x^8+y^8)
=(x^8-y^8)(x^8+y^8)
=x^16-y^16

(x-y)(x+y)(x的平方+y的平方)(x的4次方+y的4次方)(x的8次方+y的8次方)
=(x^2-y^2)(x^2+y^2)(x^4+y^4)(x^8+y^8)
=(x^4-y^4)(x^4+y^4)(x^8+y^8)
=(x^8-y^8))(x^8+y^8)
=(x^16-y^16)