请你先对(x三次方-x²)/(x²-x)进行化简,再取一个使原式有意义,而你又喜爱的数代入求值(x三次方-x²)/(x²-x)-(1-x²)/(x+1)上面式子错了,是这个化简请你先对(x三次方-x²)/(x
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![请你先对(x三次方-x²)/(x²-x)进行化简,再取一个使原式有意义,而你又喜爱的数代入求值(x三次方-x²)/(x²-x)-(1-x²)/(x+1)上面式子错了,是这个化简请你先对(x三次方-x²)/(x](/uploads/image/z/2743251-51-1.jpg?t=%E8%AF%B7%E4%BD%A0%E5%85%88%E5%AF%B9%28x%E4%B8%89%E6%AC%A1%E6%96%B9-x%26%23178%3B%29%2F%28x%26%23178%3B-x%29%E8%BF%9B%E8%A1%8C%E5%8C%96%E7%AE%80%2C%E5%86%8D%E5%8F%96%E4%B8%80%E4%B8%AA%E4%BD%BF%E5%8E%9F%E5%BC%8F%E6%9C%89%E6%84%8F%E4%B9%89%2C%E8%80%8C%E4%BD%A0%E5%8F%88%E5%96%9C%E7%88%B1%E7%9A%84%E6%95%B0%E4%BB%A3%E5%85%A5%E6%B1%82%E5%80%BC%28x%E4%B8%89%E6%AC%A1%E6%96%B9-x%26%23178%3B%29%2F%28x%26%23178%3B-x%29-%EF%BC%881-x%26%23178%3B%EF%BC%89%2F%EF%BC%88x%2B1%EF%BC%89%E4%B8%8A%E9%9D%A2%E5%BC%8F%E5%AD%90%E9%94%99%E4%BA%86%EF%BC%8C%E6%98%AF%E8%BF%99%E4%B8%AA%E5%8C%96%E7%AE%80%E8%AF%B7%E4%BD%A0%E5%85%88%E5%AF%B9%28x%E4%B8%89%E6%AC%A1%E6%96%B9-x%26%23178%3B%29%2F%28x)
请你先对(x三次方-x²)/(x²-x)进行化简,再取一个使原式有意义,而你又喜爱的数代入求值(x三次方-x²)/(x²-x)-(1-x²)/(x+1)上面式子错了,是这个化简请你先对(x三次方-x²)/(x
请你先对(x三次方-x²)/(x²-x)进行化简,再取一个使原式有意义,而你又喜爱的数代入求值
(x三次方-x²)/(x²-x)-(1-x²)/(x+1)
上面式子错了,是这个化简
请你先对(x三次方-x²)/(x²-x)-(1-x²)/(x+1)进行化简,再取一个使原式有意义,而你又喜爱的数代入求值
请你先对(x三次方-x²)/(x²-x)进行化简,再取一个使原式有意义,而你又喜爱的数代入求值(x三次方-x²)/(x²-x)-(1-x²)/(x+1)上面式子错了,是这个化简请你先对(x三次方-x²)/(x
(x^3-x²)/(x²-x)-(1-x²)/(x+1)
=x²(x-1)/x(x-1)-(1+x)(1-x)/(x+1)
=x-(1-x)
=2x-1 (取x=1)
=2x1-1
=1
-1