(-3a立方)平方除于a平方
问题描述:
(-3a立方)平方除于a平方
答
(-3a^3)^2/a^2=9a^6/a^2=9a^(6-2)=9a^4
答
9*a的四次方
答
(-3a^3)^2/a^2=9a^6/a^2=9a^4
答
(-3a立方)平方除于a平方=9a^6/a^2=9a^4