(x-y)的2n次方*(y-x)的2n-1次方*(y-x)的4n次方*(x-y)的2n+1次方=?(n为正整数)(3)(-a)² *(-a)+(-a)*(-a²)=5*2的六次方-18*2的四次方=
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![(x-y)的2n次方*(y-x)的2n-1次方*(y-x)的4n次方*(x-y)的2n+1次方=?(n为正整数)(3)(-a)² *(-a)+(-a)*(-a²)=5*2的六次方-18*2的四次方=](/uploads/image/z/11683130-50-0.jpg?t=%EF%BC%88x-y%EF%BC%89%E7%9A%842n%E6%AC%A1%E6%96%B9%2A%EF%BC%88y-x%EF%BC%89%E7%9A%842n-1%E6%AC%A1%E6%96%B9%2A%EF%BC%88y-x%EF%BC%89%E7%9A%844n%E6%AC%A1%E6%96%B9%2A%EF%BC%88x-y%EF%BC%89%E7%9A%842n%2B1%E6%AC%A1%E6%96%B9%3D%3F%EF%BC%88n%E4%B8%BA%E6%AD%A3%E6%95%B4%E6%95%B0%EF%BC%89%EF%BC%883%EF%BC%89%EF%BC%88-a%EF%BC%89%26%23178%3B+%2A%EF%BC%88-a%EF%BC%89%2B%EF%BC%88-a%EF%BC%89%2A%EF%BC%88-a%26%23178%3B%EF%BC%89%3D5%2A2%E7%9A%84%E5%85%AD%E6%AC%A1%E6%96%B9-18%2A2%E7%9A%84%E5%9B%9B%E6%AC%A1%E6%96%B9%3D)
(x-y)的2n次方*(y-x)的2n-1次方*(y-x)的4n次方*(x-y)的2n+1次方=?(n为正整数)(3)(-a)² *(-a)+(-a)*(-a²)=5*2的六次方-18*2的四次方=
(x-y)的2n次方*(y-x)的2n-1次方*(y-x)的4n次方*(x-y)的2n+1次方=?(n为正整数)
(3)(-a)² *(-a)+(-a)*(-a²)=
5*2的六次方-18*2的四次方=
(x-y)的2n次方*(y-x)的2n-1次方*(y-x)的4n次方*(x-y)的2n+1次方=?(n为正整数)(3)(-a)² *(-a)+(-a)*(-a²)=5*2的六次方-18*2的四次方=
1、原式=-(x-y)^2n*(x-y)^(2n-1)*(x-y)^4n*(x-y)^(2n+1)
=-(x-y)^(2n+2n-1+4n+2n+1)
=-(x-y)^(10n)
注意:2n-1是奇数
2、原式=a^2*(-a)-a^3=-a^3-a^3=-2a^3
3、原式=10*2^5-9*2^5=(10-9)*2^5=2^5=32