-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/1860013-37-3.jpg?t=-2%E3%80%90a%26%23178%3Bbc%E3%80%91%26%23178%3B%C3%97%E4%BA%8C%E5%88%86%E4%B9%8B%E4%B8%80a%C3%97%E3%80%90bc%E3%80%91%26%23179%3B-%E3%80%90-abc%E3%80%91%26%23179%3B%C3%97%E3%80%90-abc%E3%80%91%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(a^2bc)^2×1/2a×(bc)^3 - (-abc)^3×(-abc)^2
= -2a^4b^2c^2×1/2a×b^3c^3 - (-a^3b^3c^3)×a^b^c^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^4b^2c^2×1/2a×b^3c^3 +a^3b^3c^3×a^2b^2c^2
= -a^5b^5c^5 +a^5b^5c^5
= 0