(-2a^3 b^2 c)^3÷(-4a^2 b^3 )^2-a^4c*(-2ac^2)
问题描述:
(-2a^3 b^2 c)^3÷(-4a^2 b^3 )^2-a^4c*(-2ac^2)
答
-1/2a^5+2a^5c^3
答
(-2a^3 b^2 c)^3÷(-4a^2 b^3 )^2-a^4c*(-2ac^2)
=-8a^9b^6c^3÷16a^4b^6+2a^5c^3
=-1/2a^5c^3+2a^5c^3
=3/2a^5c^3