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(x+y)(x-y)(x的平方+y的平方)(x的四次方+y的四次方)
(a+2b)(a-2b)(a的平方+4b的平方)(a的四次方+16b的四次方)
人气:192 ℃ 时间:2020-09-23 04:09:51
解答
(x+y)(x-y)(x²+y²)(x^4+y^4)=(x²-y²))(x²+y²)(x^4+y^4)=(x^4-y^4)(x^4+y^4)=x^8-y^8(a+2b)(a-2b)(a²+4b²)(a^4+16b^4)=(a²-4b²)(a²+4b²)(a^4+16b^...
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