-2(-a²bc)²*二分之一a(bc)³-(-abc)³*(-abc)²
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![-2(-a²bc)²*二分之一a(bc)³-(-abc)³*(-abc)²](/uploads/image/z/1170838-46-8.jpg?t=-2%28-a%26%23178%3Bbc%29%26%23178%3B%2A%E4%BA%8C%E5%88%86%E4%B9%8B%E4%B8%80a%28bc%29%26%23179%3B-%28-abc%29%26%23179%3B%2A%28-abc%29%26%23178%3B)
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-2(-a²bc)²*二分之一a(bc)³-(-abc)³*(-abc)²
-2(-a²bc)²*二分之一a(bc)³-(-abc)³*(-abc)²
-2(-a²bc)²*二分之一a(bc)³-(-abc)³*(-abc)²
-2(-a²bc)²*二分之一a(bc)³-(-abc)³*(-abc)²
=-a^5b^5c^5+a^5b^5c^5
=0
-2(-a²bc)²*二分之一a(bc)³-(-abc)³*(-abc)²
=-2a^4²bc²*二分之一ab³c³-(-a³b³c³)*(a²b²c²)
=-a^5b^5c^5+a^5b^5c^5
=0
-2(-a²bc)²*二分之一a(bc)³-(-abc)³*(-abc)²
=-a^5b^35c^5+a^5b^5c^5
=0