x=-5,y=1/5,求x²×x^2n次方×(y^n)²
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![x=-5,y=1/5,求x²×x^2n次方×(y^n)²](/uploads/image/z/1625534-62-4.jpg?t=x%3D-5%2Cy%3D1%2F5%2C%E6%B1%82x%26%23178%3B%C3%97x%5E2n%E6%AC%A1%E6%96%B9%C3%97%EF%BC%88y%5En%EF%BC%89%26%23178%3B)
x=-5,y=1/5,求x²×x^2n次方×(y^n)²
x=-5,y=1/5,求x²×x^2n次方×(y^n)²
x=-5,y=1/5,求x²×x^2n次方×(y^n)²
x²×x^2n×(y^n)²
=x²×x^2n×y^2n
=x²×(x×y)^2n
=(-5)²×(-5×1/5)^2n
=25×(-1)^2n
=25×1
=25
好变态的题。。。。我才6年级
楼上正解