x²+1/x-6·x²-36/x³+x 计算

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x²+1/x-6·x²-36/x³+x计算x²+1/x-6·x²-36/x³+x计算x²+1/x-6·x²-36/x&#

x²+1/x-6·x²-36/x³+x 计算
x²+1/x-6·x²-36/x³+x 计算

x²+1/x-6·x²-36/x³+x 计算
x²+1/x-6·x²-36/x³+x
=（x²+1）/(x-6)*(x+6)(x-6)/x(x²+10
=(x+6)/x