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(x-2分之1)(x的平方+4分之1)(x+2分之1)
2025-12-16 18:27:33
推荐回答(1个)
回答1:

(x-2分之1)(x的平方+4分之1)(x+2分之1)

=(x-1/2)(x²+1/4)(x+1/2)

=(x-1/2)(x+1/2)(x²+1/4)
=(x²-1/4)(x²+1/4)
=x^4-1/16