计算(a+b)(a^2-6^2) (x-y)(xy-1) (2x-1)(4x^2+2x+1) (x-1)(x^2+x)速度啊

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计算(a+b)(a^2-6^2)(x-y)(xy-1)(2x-1)(4x^2+2x+1)(x-1)(x^2+x)速度啊计算(a+b)(a^2-6^2)(x-y)(xy-1)(2x-1)(4x^2+2x

计算(a+b)(a^2-6^2) (x-y)(xy-1) (2x-1)(4x^2+2x+1) (x-1)(x^2+x)速度啊
计算(a+b)(a^2-6^2) (x-y)(xy-1) (2x-1)(4x^2+2x+1) (x-1)(x^2+x)速度啊

计算(a+b)(a^2-6^2) (x-y)(xy-1) (2x-1)(4x^2+2x+1) (x-1)(x^2+x)速度啊
(a+b)^2(a-b) (4x^2-1)(2x+1) x(x^2-1)(x+1)