原式
=(-4)^3×(-4)^4n×[(1/4)^n+1]^4
=(-1)×4^4n+3×(1/4)^4n+4
=(-1)×(1/4)
=-1/4
已知x=-4,y=?,則x^3×x^4n×(y^n+1)^4=
已知x=-4,y=?,則x^3×x^4n×(y^n+1)^4=
數(shù)學(xué)人氣:494 ℃時間:2020-07-03 23:02:34
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