(2x-1)(x+½)(x²+¼)要过程要答案
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(2x-1)(x+½)(x²+¼)要过程要答案
(2x-1)(x+½)(x²+¼)要过程要答案
(2x-1)(x+½)(x²+¼)要过程要答案
(2x-1)(x+½)(x²+¼)
=2(x-1/2)(x+½)(x²+¼)
=2(x²-1/4)(x²+¼)
=2(x⁴-1/16)
=2x⁴-1/8