1.计算(x-y)(x²+xy+y²)的值 【第一题我都做出来了,答案是x的三次幂减y的三次幂】1.计算(x-y)(x²+xy+y²)的值 【第一题我都做出来了,答案是x的三次幂减y的三次幂】2.
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![1.计算(x-y)(x²+xy+y²)的值 【第一题我都做出来了,答案是x的三次幂减y的三次幂】1.计算(x-y)(x²+xy+y²)的值 【第一题我都做出来了,答案是x的三次幂减y的三次幂】2.](/uploads/image/z/816490-10-0.jpg?t=1.%E8%AE%A1%E7%AE%97%EF%BC%88x-y%EF%BC%89%EF%BC%88x%26%23178%3B%EF%BC%8Bxy%EF%BC%8By%26%23178%3B%EF%BC%89%E7%9A%84%E5%80%BC+%E3%80%90%E7%AC%AC%E4%B8%80%E9%A2%98%E6%88%91%E9%83%BD%E5%81%9A%E5%87%BA%E6%9D%A5%E4%BA%86%2C%E7%AD%94%E6%A1%88%E6%98%AFx%E7%9A%84%E4%B8%89%E6%AC%A1%E5%B9%82%E5%87%8Fy%E7%9A%84%E4%B8%89%E6%AC%A1%E5%B9%82%E3%80%911.%E8%AE%A1%E7%AE%97%EF%BC%88x-y%EF%BC%89%EF%BC%88x%26%23178%3B%EF%BC%8Bxy%EF%BC%8By%26%23178%3B%EF%BC%89%E7%9A%84%E5%80%BC+%E3%80%90%E7%AC%AC%E4%B8%80%E9%A2%98%E6%88%91%E9%83%BD%E5%81%9A%E5%87%BA%E6%9D%A5%E4%BA%86%2C%E7%AD%94%E6%A1%88%E6%98%AFx%E7%9A%84%E4%B8%89%E6%AC%A1%E5%B9%82%E5%87%8Fy%E7%9A%84%E4%B8%89%E6%AC%A1%E5%B9%82%E3%80%912.)
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