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分式计算,((x+1)²(1-x)²)/((x²-1)²)÷((x-1)²)/(x²-1)
人气:166 ℃ 时间:2020-01-28 16:46:02
解答
((x+1)²(1-x)²)/((x²-1)²)÷((x-1)²)/(x²-1)=((x+1)²(1-x)²)(x²-1)/((x²-1)²)((x-1)²)=((x+1)²)/((x...
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