计算(2x-y)(4x²+y²)(2x+y)
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计算(2x-y)(4x²+y²)(2x+y)
计算(2x-y)(4x²+y²)(2x+y)
计算(2x-y)(4x²+y²)(2x+y)
(2x-y)(4x²+y²)(2x+y)
=(2x-y)(2x+y)(4x²+y²)
= (4x²-y²) (4x²+y²)
= 16 x ^4 - y^4
16x四次方-y四次方