x的n次方(x的n-1次方+2x的n次方-5x的n+1次方-1)
=x的(2n-1)次方+2x的2n次方-5x的(2n+1)次方-x的n次方
計(jì)算x的n次方(x的n-1次方+2x的n次方-5x的n+1次方-1)=
計(jì)算x的n次方(x的n-1次方+2x的n次方-5x的n+1次方-1)=
數(shù)學(xué)人氣:206 ℃時(shí)間:2020-09-10 10:27:17
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