(-1/2ab^2c)^2*(-1/3abc^2)^3*(12a^3b)
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![(-1/2ab^2c)^2*(-1/3abc^2)^3*(12a^3b)](/uploads/image/z/11643726-30-6.jpg?t=%28-1%2F2ab%5E2c%29%5E2%2A%28-1%2F3abc%5E2%29%5E3%2A%2812a%5E3b%29)
(-1/2ab^2c)^2*(-1/3abc^2)^3*(12a^3b)
(-1/2ab^2c)^2*(-1/3abc^2)^3*(12a^3b)
(-1/2ab^2c)^2*(-1/3abc^2)^3*(12a^3b)
(-1/2ab^2c)^2*(-1/3abc^2)^3*(12a^3b)
=(1/4a^2b^4c^2)*(-1/27a^3b^3c^6)*(12a^3b)
=-1/9a^2b^6c^8