计算(1)(-2ab²c²)的三次方/(-abc)² (2)12x的五次方y的三次方z/(-2x²yz)(3)(15x²y²-12x²y立方-3x²)/(-3x²) (4)[3(a+b)的立方-2(a+b)²-4a-4b]/(a+b)
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![计算(1)(-2ab²c²)的三次方/(-abc)² (2)12x的五次方y的三次方z/(-2x²yz)(3)(15x²y²-12x²y立方-3x²)/(-3x²) (4)[3(a+b)的立方-2(a+b)²-4a-4b]/(a+b)](/uploads/image/z/7804662-6-2.jpg?t=%E8%AE%A1%E7%AE%97%EF%BC%881%EF%BC%89%28-2ab%26%23178%3Bc%26%23178%3B%29%E7%9A%84%E4%B8%89%E6%AC%A1%E6%96%B9%2F%28-abc%29%26%23178%3B+%EF%BC%882%EF%BC%8912x%E7%9A%84%E4%BA%94%E6%AC%A1%E6%96%B9y%E7%9A%84%E4%B8%89%E6%AC%A1%E6%96%B9z%2F%28-2x%26%23178%3Byz%29%EF%BC%883%EF%BC%89%2815x%26%23178%3By%26%23178%3B-12x%26%23178%3By%E7%AB%8B%E6%96%B9-3x%26%23178%3B%EF%BC%89%2F%EF%BC%88-3x%26%23178%3B%EF%BC%89+%EF%BC%884%EF%BC%89%5B3%EF%BC%88a%2Bb%EF%BC%89%E7%9A%84%E7%AB%8B%E6%96%B9-2%EF%BC%88a%2Bb%EF%BC%89%26%23178%3B-4a-4b%5D%2F%28a%2Bb%29)
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计算(1)(-2ab²c²)的三次方/(-abc)² (2)12x的五次方y的三次方z/(-2x²yz)(3)(15x²y²-12x²y立方-3x²)/(-3x²) (4)[3(a+b)的立方-2(a+b)²-4a-4b]/(a+b)
计算(1)(-2ab²c²)的三次方/(-abc)² (2)12x的五次方y的三次方z/(-2x²yz)
(3)(15x²y²-12x²y立方-3x²)/(-3x²) (4)[3(a+b)的立方-2(a+b)²-4a-4b]/(a+b)
计算(1)(-2ab²c²)的三次方/(-abc)² (2)12x的五次方y的三次方z/(-2x²yz)(3)(15x²y²-12x²y立方-3x²)/(-3x²) (4)[3(a+b)的立方-2(a+b)²-4a-4b]/(a+b)
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